Portuguese recommendations for the use of biological therapies in patients with psoriatic arthritis – 2015 update

Vieira-Sousa E, Machado PM, Costa J, Ribeiro A, Aguiar R, Cerqueira M, Neto A, Bernardo A, Cordeiro A, Duarte C, Vinagre F, Canhão H, Santos H, Neves JS, Cunha-Miranda L, Silva M, Santos MJ, Bernardes M, Bogas M, Abreu P, Viana-Queiroz M, Barros R, Falcão S, Pimenta S, Teixeira V, Fonseca JE, Barcelos A, on behalf of the Portuguese Society of Rheumatology