Macrophage activation syndrome as a result of rheumatological diseases: Report of 4 cases Lina María Saldarriaga Rivera; Nicolás Sánchez-Ramírez; Laura Rodríguez-Conde; Diana Paola Tejedor-Restrepo;

Knowledge of medications and understanding of Mexican patients regarding the non-medical switch from originator to its biosimilar in inflammatory arthritis Carlos Andrés Díaz-Garza; Alejandro Garza-Alpirez; David Vega-Morales; Deshiré Alpizar-Rodríguez; Berenice Carrillo-Haro;

Strategies for organizing rheumatology consultations Juan Fernando Rivadeneira Jácome; Lara Montserrat González García;