Παραπομπή APA

Nielsen, C., Petersson, I. F., Jacobsson, L. T. H., & Jöud, A. (2017). Secular trends in sickness absence among Swedish patients with ankylosing spondylitis and psoriatic arthritis. Rheumatol Int.

Παραπομπή Chicago Style

Nielsen, Christel, Ingemar F. Petersson, Lennart T. H. Jacobsson, και Anna Jöud. "Secular Trends in Sickness Absence Among Swedish Patients With Ankylosing Spondylitis and Psoriatic Arthritis." Rheumatol Int 2017.

Παραπομπή MLA

Nielsen, Christel, Ingemar F. Petersson, Lennart T. H. Jacobsson, και Anna Jöud. "Secular Trends in Sickness Absence Among Swedish Patients With Ankylosing Spondylitis and Psoriatic Arthritis." Rheumatol Int 2017.

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