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Strohal, R.; Kirby, B.; Puig, L.; Yawalkar, Nikhil (2013). Psoriasis beyond the skin: an expert group consensus on the management of psoriatic arthritis and common co-morbidities in patients with moderate-to-severe psoriasis. Journal of the European Academy of Dermatology and Venereology, 28(12), pp. 1661-1669. Blackwell 10.1111/jdv.12350
