Helle Klingenberg Iversen
Clinical Associate Professor
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Polysomnographic indicators of mortality in stroke patients
Ponsaing, L. B., Iversen, Helle Klingenberg & Jennum, Poul, May 2017, In: Sleep and Breathing. 21, 2, p. 235-242 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Practice patterns and outcomes after stroke across countries at different economic levels (INTERSTROKE): an international observational study
Langhorne, P., O'Donnell, M. J., Chin, S. L., Zhang, H., Xavier, D., Avezum, A., Mathur, N., Turner, M., MacLeod, M. J., Lopez-Jaramillo, P., Damasceno, A., Hankey, G. J., Dans, A. L., Elsayed, A., Mondo, C., Wasay, M., Czlonkowska, A., Weimar, C., Yusufali, A. H., Hussain, F. A. & 22 others, , 2018, In: Lancet Oncology. 391, 10134, p. 2019-2027 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Preclinical validation of electrochemotherapy as an effective treatment for brain tumors
Agerholm-Larsen, B., Iversen, Helle Klingenberg, Ibsen, Per Holger, Moller, J. M., Mahmood, F., Jensen, K. S., Gehl, Julie & Møller, J. M., 1 Jun 2011, In: Cancer Research. 71, 11, p. 3753-62 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Prednisolone reduces nitric oxide-induced migraine
Tfelt-Hansen, P., Daugaard, D., Lassen, L. H., Iversen, Helle Klingenberg & Olesen, Jes, Oct 2009, In: European journal of neurology : the official journal of the European Federation of Neurological Societies. 16, 10, p. 1106-11 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Presentation of a new instrument: the diagnostic headache diary
Russell, M. B., Rasmussen, B. K., Brennum, J., Iversen, Helle Klingenberg, Jensen, Rigmor Højland & Olesen, Jes, Dec 1992, In: Cephalalgia : an international journal of headache. 12, 6, p. 369-74 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Prevalence of lower urinary tract symptoms (LUTS) in stroke patients: a cross-sectional, clinical survey
Tibaek, S., Gard, G., Klarskov, P., Iversen, Helle Klingenberg, Dehlendorff, Christian & Jensen, Rigmor Højland, 2008, In: Neurourology and Urodynamics. 27, 8, p. 763-71 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Prevalence of lower urinary tract symptoms (LUTS) in stroke patients: a cross-sectional, clinical survey
Tibaek, S., Gard, G., Klarskov, P., Iversen, Helle Klingenberg, Dehlendorff, C. & Jensen, Rigmor Højland, 1 Jan 2008, In: Neurourology and Urodynamics. 27, 8, p. 763-71 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Processes of care and associated factors in patients with stroke by immigration status
Mkoma, George Frederick, Johnsen, S. P., Agyemang, C., Hedegaard, J. N., Iversen, Helle Klingenberg, Andersen, G. & Nørredam, Marie Louise, 2022, In: Medical Care. 3, 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Quantification of Tau-A in serum after brain injury: a comparison of two analytical platforms, ELISA and electrochemiluminescence immunoassay
Tzara, O., Amalie Simonsen, S., West, A. S., Asser Karsdal, M., Iversen, Helle Klingenberg & Henriksen, K., 2022, In: Brain Injury. 36, 6, p. 792-799 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Quantitative Signal Intensity in Fluid-Attenuated Inversion Recovery and Treatment Effect in the WAKE-UP Trial
Cheng, B., Boutitie, F., Nickel, A., Wouters, A., Cho, T-H., Ebinger, M., Endres, M., Fiebach, J. B., Fiehler, J., Galinovic, I., Puig, J., Thijs, V., Lemmens, R., Muir, K. W., Nighoghossian, N., Pedraza, S., Simonsen, C. Z., Gerloff, C., Thomalla, G., WAKE-UP (Efficacy and Safety of MRI-Based Thrombolysis inWake-Up Stroke Trial) investigators and administrative staff are as follows: & 10 others, , 2020, In: Stroke. 51, 1, p. 209-215Research output: Contribution to journal › Journal article › Research › peer-review
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RAAS and stress markers in acute ischemic stroke: preliminary findings
Back, C., Thiesen, K. L., Olsen, K. S., Edvinsson, L., Jensen, L. T., Larsen, V. A. & Iversen, Helle Klingenberg, Feb 2015, In: Acta Neurologica Scandinavica. 131, 2, p. 132-139 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Reduced arterial diameter during static exercise in humans
Olesen, H. L., Mitchell, J. H., Friedman, D. B., Iversen, Helle Klingenberg & Secher, Niels H., Apr 1995, In: Acta Physiologica Scandinavica. 153, 4, p. 335-41 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Reducing delay to endovascular reperfusion after relocating a thrombolysis unit
Laugesen, N. G., Hansen, Klaus, Højgaard, J., Iversen, Helle Klingenberg & Truelsen, Thomas Clement, 2022, In: Frontiers in Neurology. 13, 8 p., 989607.Research output: Contribution to journal › Journal article › Research › peer-review
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Registration of acute stroke: validity in the Danish Stroke Registry and the Danish National Registry of Patients
Wildenschild, C., Mehnert, F., Thomsen, R. W., Iversen, Helle Klingenberg, Vestergaard, K., Ingeman, A. & Johnsen, S. P., 2014, In: Clinical Epidemiology. 6, p. 27-36 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Registration of acute stroke: validity in the Danish Stroke Registry and the Danish National Registry of Patients
Wildenschild, C., Mehnert, F., Thomsen, R. W., Iversen, Helle Klingenberg, Vestergaard, K., Ingeman, A. & Johnsen, S. P., 2013, In: Clinical Epidemiology. 6, p. 27-36 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Renal Impairment and Risk of Acute Stroke: The INTERSTROKE Study
Smyth, A., Judge, C., Wang, X., Pare, G., Rangarajan, S., Canavan, M., Chin, S. L., Al-Hussain, F., Yusufali, A. M., Elsayed, A., Damasceno, A., Avezum, A., Czlonkowska, A., Rosengren, A., Dans, A. L., Oguz, A., Mondo, C., Weimar, C., Ryglewicz, D., Xavier, D. & 13 others, , 1 Jun 2021, In: Neuroepidemiology. 55, 3, p. 206-215 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Retinal angiographic blood flowmetry is reduced in the ocular ischaemic syndrome
Hansen, G. L., Kofoed, P. K., Munch, I. C., Sillesen, Henrik, Jensen, L. P., Iversen, Helle Klingenberg & Larsen, Michael, Oct 2013, In: Danish Medical Bulletin (Online). 60, 10, p. 1-5 5 p., A4716.Research output: Contribution to journal › Journal article › Research › peer-review
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Review on motor imagery based BCI systems for upper limb post-stroke neurorehabilitation: From designing to application
Khan, M. A., Das, R., Iversen, Helle Klingenberg & Puthusserypady, S., 2020, In: Computers in Biology and Medicine. 123, 103843.Research output: Contribution to journal › Review › Research › peer-review
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Risk factors for ischaemic and intracerebral haemorrhagic stroke in 22 countries (the INTERSTROKE study): a case-control study
O'Donnell, M. J., Xavier, D., Liu, L., Zhang, H., Chin, S. L., Rao-Melacini, P., Rangarajan, S., Islam, S., Pais, P., McQueen, M. J., Mondo, C., Damasceno, A., Lopez-Jaramillo, P., Hankey, G. J., Dans, A. L., Yusoff, K., Truelsen, T., Diener, H-C., Sacco, R. L., Ryglewicz, D. & 6 others, , 10 Jul 2010, In: Lancet. 376, 9735, p. 112-23 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Rivaroxaban for Stroke Prevention after Embolic Stroke of Undetermined Source
NAVIGATE ESUS Investigators, Amarenco, P., Ameriso, S. F., Arauzo, A., Andersen, G., Christensen, H., Christensen, T., Damgaard, D., Iversen, H., Hansen, C. K., Kruuse, C., Martinussen, M., Modrau, B., Murtuzova, A., Ovesen, C., Papina, M., Svaneborg, N., Von Weitzel-Mudersbach, P., Xiong, W., Zhang, C. & 1 others, , 2018, In: The New England Journal of Medicine. 378, 23, p. 2191-2201Research output: Contribution to journal › Journal article › Research › peer-review
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Role of Proxy Respondents in International Stroke Research: Experience of the INTERSTROKE Study
Costello, M. M., Judge, C., Reddin, C., Rangarajan, S., Langhorne, P., Zhang, H., Iversen, Helle Klingenberg, Xavier, D., Smyth, A., Canavan, M. D., Yusuf, S. & O'Donnell, M. J., 2022, In: Neuroepidemiology. 56, 5, p. 355-364 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Safety and efficacy of intravenous thrombolysis in stroke patients on prior antiplatelet therapy in the WAKE-UP trial
Frey, B. M., Boutitie, F., Cheng, B., Cho, T-H., Ebinger, M., Endres, M., Fiebach, J. B., Fiehler, J., Ford, I., Galinovic, I., Königsberg, A., Puig, J., Roy, P., Wouters, A., Magnus, T., Thijs, V., Lemmens, R., Muir, K. W., Nighoghossian, N., Pedraza, S. & 12 others, , 2020, In: Neurological research and practice. 2, 9 p., 40.Research output: Contribution to journal › Journal article › Research › peer-review
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Screening with doppler ultrasound for carotid artery stenosis in patients with stroke or transient ischaemic attack
Kristensen, T., Hovind, P., Iversen, Helle Klingenberg & Andersen, U. B., 2018, In: Clinical Physiology and Functional Imaging. 38, 4, p. 617-621 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Self-Reported Physical Activity and Cardiovascular Disease Risk Factors in Patients with Lacunar Stroke
Krawcyk, R. S., Vinther, A., Petersen, Nicolas Caesar, Faber, Jens, Rehman, S., Iversen, Helle Klingenberg, Christensen, T. & Kruuse, Christina Rostrup, 2019, In: Journal of Stroke & Cerebrovascular Diseases. 28, 8, p. 2168-2176 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Sex-Differences in Oral Anticoagulant-Related Intracerebral Hemorrhage
Grundtvig, J., Ovesen, C., Steiner, Thorsten, Carcel, C., Gaist, D., Christensen, Louisa Marguerite, Marstrand, Jacob Rørbech, Meden, Per, Rosenbaum, S., Iversen, Helle Klingenberg, Kruuse, Christina Rostrup, Christensen, T., Ægidius, K., Havsteen, I. & Christensen, Hanne Krarup, 2022, In: Frontiers in Neurology. 13, 832903.Research output: Contribution to journal › Journal article › Research › peer-review
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SiPP (Stroke in Pregnancy and Postpartum): A prospective, observational, international, multicentre study on pathophysiological mechanisms, clinical profile, management and outcome of cerebrovascular diseases in pregnant and postpartum women
Lorenzano, S., Kremer, C., Pavlovic, A., Jovanovic, D. R., Sandset, E. C., Christensen, H., Bushnell, C., Arsovska, A., Sprigg, N., Roffe, C., Ijäs, P., Gdovinova, Z., Alexandrov, A., Zedde, M., Tassi, R., Acciaresi, M., Lantz, M., Sunnerhagen, K., Zarkov, M., Rantanen, K. & 15 others, , 2020, In: European Stroke Journal. 5, 2, p. 193-203 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Sleep apnea diagnosis varies with the hypopnea criteria applied
Ponsaing, L. B., Iversen, Helle Klingenberg & Jennum, Poul, Mar 2016, In: Sleep and Breathing. 20, 1, p. 219-26 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Sleep-disordered breathing and cerebral small vessel disease—acute and 6 months after ischemic stroke
Simonsen, S. A., Andersen, A. V., West, A. S., Wolfram, F., Jennum, Poul & Iversen, Helle Klingenberg, 2022, In: Sleep and Breathing. 26, p. 1107–1113Research output: Contribution to journal › Journal article › Research › peer-review
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Small arteries can be accurately studied in vivo, using high frequency ultrasound
Nielsen, T. H., Iversen, Helle Klingenberg, Tfelt-Hansen, P. & Olesen, Jes, 1993, In: Ultrasound in Medicine & Biology. 19, 9, p. 717-25 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Specialized Outpatient Clinic vs Stroke Unit for TIA and Minor Stroke A Cohort Study
Hastrup, S., Johnsen, S. P., Jensen, M., von Weitzel-Mudersbach, P., Simonsen, C. Z., Hjort, N., Moller, A. T., Harbo, T., Poulsen, M. S., Iversen, Helle Klingenberg, Damgaard, D. & Andersen, G., 2021, In: Neurology. 96, 8, p. E1096-E1109 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Spontaneous Low Frequency Oscillations in Acute Ischemic Stroke – A Near Infrared Spectroscopy (NIRS) Study
Phillip, D., Schytz, H. W., Iversen, Helle Klingenberg, Selb, J., Boas, D. A. & dlt446, dlt446, 2014, In: Journal of Neurology & Neurophysiology. 5, 6, p. 1-5 5 p., 1000241.Research output: Contribution to journal › Journal article › Research › peer-review
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Spontaneous low-frequency oscillations in cerebral vessels: applications in carotid artery disease and ischemic stroke
Schytz, Henrik Winther, Hansson, A., Phillip, D., Selb, J., Boas, D. A., Iversen, Helle Klingenberg & dlt446, dlt446, 2010, In: Journal of Stroke & Cerebrovascular Diseases. 19, 6, p. 465-474Research output: Contribution to journal › Journal article › Research › peer-review
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Statin treatment before stroke reduces pro-inflammatory cytokine levels after stroke
Schultz, N. E. Ø., Hasseldam, Henrik, Rasmussen, Rune Skovgaard, Vindegaard, N., McWilliam, O., Iversen, Helle Klingenberg & Johansen, F. F., 2019, In: Neurological Research. 41, 4, p. 289-297 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Strengthening nursing role and functions in stroke rehabilitation 24/7: A mixed-methods study assessing the feasibility and acceptability of an educational intervention programme
Loft, M. I., Poulsen, I., Martinsen, B., Mathiesen, L. L., Iversen, Helle Klingenberg & Esbensen, Bente Appel, 2019, In: Nursing Open. 6, 1, p. 162-174Research output: Contribution to journal › Journal article › Research › peer-review
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Strengthening the role and functions of nursing staff in inpatient stroke rehabilitation: developing a complex intervention using the Behaviour Change Wheel
Loft, M. I., Martinsen, B., Esbensen, Bente Appel, Mathiesen, L. L., Iversen, Helle Klingenberg & Poulsen, I., 2017, In: International Journal of Qualitative Studies on Health and Well-Being. 12, 1, 15 p., 1392218.Research output: Contribution to journal › Journal article › Research › peer-review
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Stroke admissions and revascularization treatments in Denmark during COVID-19
Drenck, N., Grundtvig, J., Christensen, T., Iversen, Helle Klingenberg, Kruuse, Christina Rostrup, Truelsen, Thomas Clement, Wienecke, Troels & Christensen, Hanne Krarup, 2022, In: Acta Neurologica Scandinavica. 145, 2, p. 160-170Research output: Contribution to journal › Journal article › Research › peer-review
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Sudden Bilateral Deafness in a Patient with Transient Ischemic Attack: A Case Report
Pihl, C., Back, C., Iversen, Helle Klingenberg & Amin, Faisal Mohammad, 2021, In: Case Reports in Neurology. 13, 1, p. 119-122 4 p.Research output: Contribution to journal › Letter › Research › peer-review
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Sumatriptan (Imigran) til patienter med hemiplegisk migraene?
Thomsen, L. L., Iversen, Helle Klingenberg & Olesen, Jes, 10 Aug 1992, In: Ugeskrift for Laeger. 154, 33, p. 2271Research output: Contribution to journal › Journal article › Communication
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Supported Conversation for hospital staff: A questionnaire study of self-evaluated outcome
Forchhammer, H. B., Løvholt, A. P., Mathiesen, L. L., Iversen, Helle Klingenberg, Larsen, L. S. L., Norup, A. & Jensen, Lise Randrup, 12 May 2016.Research output: Contribution to conference › Poster › Research › peer-review
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Søvnrelaterede sygdomme ved apopleksi
Iversen, Helle Klingenberg & Jennum, Poul, 2013, Søvn. Jennum, P. (ed.). Kbh.: Munksgaard , p. 175-180 5 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Telmisartan to prevent recurrent stroke and cardiovascular events
Yusuf, S., Diener, H-C., Sacco, R. L., Cotton, D., Ounpuu, S., Lawton, W. A., Palesch, Y., Martin, R. H., Albers, G. W., Bath, P., Bornstein, N., Chan, B. P. L., Chen, S-T., Cunha, L., Dahlöf, B., De Keyser, J., Donnan, G. A., Estol, C., Gorelick, P., Gu, V. & 16 others, , 18 Sep 2008, In: New England Journal of Medicine. 359, 12, p. 1225-37 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Danish Prostatic Symptom Score (DAN-PSS-1) questionnaire is reliable in stroke patients
Tibaek, S., Jensen, Rigmor Højland, Klarskov, P., Iversen, Helle Klingenberg & Gard, G., 2006, In: Neurourology and Urodynamics. 25, 4, p. 319-23 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The Effects of Naturalistic Light on Diurnal Plasma Melatonin and Serum Cortisol Levels in Stroke Patients during Admission for Rehabilitation: A Randomized Controlled Trial
West, A. S., Sennels, H. P., Simonsen, S. A., Schønsted, M., Zielinski, A. H., Hansen, N. C., Jennum, Poul, Sander, B., Wolfram, F. & Iversen, Helle Klingenberg, 2019, In: International Journal of Medical Sciences. 16, 1, p. 125-134 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The angiotensin-receptor blocker candesartan for treatment of acute stroke (SCAST): a randomised, placebo-controlled, double-blind trial
Sandset, E. C., Bath, P. M. W., Boysen, G., Jatuzis, D., Kõrv, J., Lüders, S., Murray, G. D., Richter, P. S., Roine, R. O., Terént, A., Thijs, V., Berge, E., SCAST Study Group, S. S. G. & Iversen, Helle Klingenberg, 26 Feb 2011, In: Lancet. 377, 9767, p. 741-50 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of nitric oxide synthase inhibition on histamine induced headache and arterial dilatation in migraineurs
Lassen, L. H., Christiansen, I., Iversen, Helle Klingenberg, Jansen-Olesen, I. & Olesen, Jes, Nov 2003, In: Cephalalgia : an international journal of headache. 23, 9, p. 877-86 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of pelvic floor muscle training on sexual function in men with lower urinary tract symptoms after stroke
Tibaek, S., Gard, G., Dehlendorff, C., Iversen, Helle Klingenberg, Erdal, J., Biering-Sørensen, Fin, Dorey, G. & Jensen, R., 2015, In: Topics in Stroke Rehabilitation. 22, 3, p. 185-93 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The effect of propranolol on glyceryltrinitrate-induced headache and arterial response
Tvedskov, J., Thomsen, L. L., Thomsen, L. L., Iversen, Helle Klingenberg, Williams, P., Gibson, A., Jenkins, K., Peck, R. & Olesen, Jes, 1 Dec 2004, In: Cephalalgia. 24, 12, p. 1076-87 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The feasibility of cross-sector videoconferences in discharge planning among stroke patients: a mixed-methods study scrutinising patient and staff perspectives
Rosenkranz, S. H., Falster, A. A., Carstensen, T. S., Mathiesen, L. L., Iversen, Helle Klingenberg & Kimby, C. K., 2018, In: International Journal of Telemedicine and Clinical Practices. 3, 1, 44.Research output: Contribution to journal › Journal article › Research › peer-review
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The prophylactic effect of valproate on glyceryltrinitrate induced migraine
Tvedskov, J. F., Thomsen, L. L., Iversen, Helle Klingenberg, Gibson, A., Wiliams, P. & Olesen, Jes, 1 Jul 2004, In: Cephalalgia. 24, 7, p. 576-85 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Thrombolysis in acute ischemic stroke is associated with lower long-term hospital bed day use: A nationwide propensity score-matched follow-up study
Terkelsen, T., Schmitz, M. L., Simonsen, C. Z., Hundborg, H. H., Christensen, Hanne Krarup, Gyllenborg, J., Sandal, B. F., Iversen, Helle Klingenberg, Madsen, C., Rasmussen, M., Vestergaard, K., Andersen, G. & Johnsen, S. P., 2016, In: International Journal of Stroke. 11, 8, p. 910-916 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 47983134
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Is Pelvic Floor Muscle Training Effective for Men With Poststroke Lower Urinary Tract Symptoms? A Single-Blinded Randomized, Controlled Trial
Research output: Contribution to journal › Journal article › Research › peer-review
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Pharyngeal Electrical Stimulation for Treatment of Dysphagia in Subacute Stroke: A Randomized Controlled Trial
Research output: Contribution to journal › Journal article › Research › peer-review
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Lower Urinary Tract Symptoms, Erectile Dysfunction, and Quality of Life in Poststroke Men: A Controlled Cross-Sectional Study
Research output: Contribution to journal › Journal article › Research › peer-review
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