Claus R. Johnsen

Claus R. Johnsen

Clinical Associate Professor

Member of:

  • Internal Medicine: Respiratory Medicine


  1. Published

    Short contact with nickel causes allergic contact dermatitis: an experimental study

    Ahlström, M. G., Thyssen, Jacob Pontoppidan, Menné, T., Midander, K., Julander, A., Lidén, C., Johnsen, Claus R. & Johansen, Jeanne Duus, 2018, In: British Journal of Dermatology. 179, 5, p. 1127-1134 8 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Published

    Farmakologisk behandling af astma under graviditet

    Akram, I., Ulrik, Charlotte Suppli & Johnsen, Claus R., 27 Jun 2016, In: Ugeskrift for Laeger. 178, V01160065.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Granzyme B production by Th2 helper and NK cells improves the LTT test in patients with non-immediate drug hypersensitivity reactions

    Blom, Lars Heede, Schmidt, L. B., Johnsen, Claus R., Elberling, Jesper Vraamark, Poulsen, Lars K. & Garvey, Lene Heise, 2024, In: Allergy. 79, 2, p. 520-523

    Research output: Contribution to journalComment/debateResearchpeer-review

  4. Published

    Optimizing diagnostic tests for persulphate: induced respiratory diseases

    Foss-Skiftesvik, M. H., Winther, L., Mosbech, H. F., Skov, P. S., Opstrup, M. S., Søsted, H., Zachariae, Claus, Johansen, Jeanne Duus & Johnsen, Claus R., 21 Jul 2016, In: Clinical and Translational Allergy. 6, 10 p., 26.

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    High occurrence of rhinitis symptoms in hairdressing apprentices

    Foss-Skiftesvik, M. H., Winther, L., Johnsen, Claus R., Søsted, H., Mosbech, H. F., Zachariae, Claus & Johansen, Jeanne Duus, Jan 2017, In: International Forum of Allergy Rhinology. 7, 1, p. 43-49 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Incidence of skin and respiratory diseases among Danish hairdressing apprentices

    Foss-Skiftesvik, M. H., Winther, L., Johnsen, Claus R., Zachariae, Claus & Johansen, Jeanne Duus, 2017, In: Contact Dermatitis. 76, 3, p. 160-166

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Aeroallergen analyses and their clinical relevance. II. Sampling by high-volume airsampler with immunochemical quantification versus Burkard pollen trap sampling with morphologic quantification

    Johnsen, Claus R., Weeke, E. R., Nielsen, J., Jensen, J., Mosbech, H., Frølund, L., Madsen, F. & Poulsen, Lars K., Oct 1992, In: Allergy. 47, 5, p. 510-6 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Aeroallergen analyses and their clinical relevance. I. Immunochemical quantification of allergens by RAST-inhibition, Mab-ELISA, basophil histamine release, and counter current immuno electrophoresis

    Johnsen, Claus R., Abrahamsen, L., Stahl Skov, P., Johansen, N. & Poulsen, Lars K., Oct 1991, In: Allergy. 46, 7, p. 492-501 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Allergy Development in Adulthood: An Occupational Cohort Study of the Manufacturing of Industrial Enzymes

    Larsen, A. I., Kristiansen, Luise Cederkvist, Lykke, A. M., Wagner, P., Johnsen, Claus R. & Poulsen, Lars K., 2020, In: The Journal of Allergy and Clinical Immunology: In Practice. 8, 1, p. 210-218.e5

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Støvmideallergener og mideallergi i københavnske boliger. En tvaersnitsundersøgelse.

    Mosbech, H., Veggerby, C., Steensen, M., Poulsen, Lars K., Johnsen, Claus R., Heinig, J. H. & Lange, Peter, 25 Jan 1999, In: Ugeskrift for Laeger. 161, 4, p. 419-423 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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