Zachariae, H, A Hjortshøoj, F Kissmeyer-Nielsen, A Svejgaard, E Svejgaard, and E. Zachariae. “HL-A-Antigens and Psoriatic Arthritis”. Acta Dermato-Venereologica 54, no. 6 (November 1, 1974): 443–447. Accessed June 21, 2026. https://medicaljournalssweden.se/actadv/article/view/17703.