Prevalence and demographic characteristics of psoriatic arthritis in Colombia: Data from the National Health Registry 2012¿2018 Daniel G. Fernández-Ávila; Diana N. Rincón-Riaño; Santiago Bernal-Macías; Juan M. Gutiérrez Dávila; Diego Rosselli;

Patient reported outcomes in early vs late diagnosis of psoriatic arthritis Ennio Lubrano; Silvia Scriffignano; Fabio Massimo Perrotta;

Sleep disturbances in patients with psoriatic arthritis Emilce Edith Schneeberger; Cecilia Andrea Zaffarana; Osvaldo Cerda; Gustavo Citera;