The coexistence of rheumatoid arthritis and ankylosing spondylitis: Case series and literature review Hanene Lassoued Ferjani; Ben Ayed Hiba; Dorra Ben Nessib; Dhia Kaffel; Kaouther Maatallah; Wafa Hamdi;

Systemic sclerosis-associated interstitial lung disease: Diagnostic approaches and challenges Jessica L. Fairley; Nicole S.L. Goh; Mandana Nikpour;

Validation of the Toronto Psoriatic Arthritis Screening 2 (TOPAS-2) questionnaire in an Argentinian population Hernán Maldonado Ficco; Rodolfo Pérez Alamino; Marina N. Fornaro; Andrea L. Coronel Ale; Emilce E. Schneeberger; Paula Kohan; Silvia Papasidero; Alejandro Benítez; María Celina de la Vega; María de los Ángeles Correa; Margarita Landi; Gustavo Citera;