Residence at high altitude as a risk factor for high probability of pulmonary hypertension in patients with systemic sclerosis: A case¿control study Luis Javier Cajas; Julia Recalde Reyes; Javier Alejandro Correa; Wilder Carvajal; Carolina Torres; José S. Cortés;

Cardiopulmonary phenotype in systemic sclerosis associated pulmonary hypertension Luis Javier Cajas Santana; Alejandro Correa Giraldo; Maria Carolina Torres;

Is Palindromic Rheumatism a Pre-rheumatoid Arthritis Condition? Low Incidence of Rheumatoid Arthritis in Palindromic Rheumatism Patients Treated with Tight Control Strategy Alireza Khabbazi; Mohammad Mirza-Aghazadeh-Attari; Mohammad Tagi Goli; Aida Malek Mahdavi; Mehrzad Hajialilo; Nadereh Rashtchizadeh;