Update of the guidelines for the pharmacological treatment of rheumatoid arthritis by the Mexican College of Rheumatology 2023 Carlos Abud-Mendoza; Francisco Javier Aceves-Ávila; César Alejandro Arce-Salinas; José Álvarez Nemegyei; Leonor Barile-Fabris; Sergio Durán-Barragán; Diana Elsa Flores-Alvarado; Eufrates Hernández-Núñez; Fedra Irazoque-Palazuelos; José Francisco Moctezuma-Ríos; Virginia Pascual-Ramos; Margarita Portela-Hernández; Luis Humberto Silveira; Lilia Andrade-Ortega; Ana Barrera-Vargas; Sandra Carrillo-Vázquez; Zully Castro-Colin; Enrique Cuevas-Orta; Luis Felipe Flores-Suárez; Guillermo Arturo Guaracha-Basáñez; María Fernanda Hernández-Cabrera; Iván de Jesús Hernández-Galarza; David Alejandro Herrera-vanOostdam; Adriana Concepción Lobato-Belmonte; Laura Aline Martínez-Martínez; Marco Ulises Martínez-Martínez; Gabriel Medrano-Ramírez; Francisco Javier Merayo-Chalico; Graciela Meza-López y Olguín; Francisco Olan; Genaro Peña-Santos; César Ramos-Remus; Greta Reyes-Cordero; Vijaya Rivera-Terán; Jorge Rojas-Serrano; Griselda Serna-Peña; Sandra Sicsik-Ayala; César Armando Sifuentes-Cantú; David Vega-Morales; Pablo Villaseñor-Ovies; Daniel Xibillé-Friedmann; César Pacheco-Tena;

Fibromyalgia with elevated rheumatoid factor is associated with poor therapeutic response but not with progression to rheumatoid arthritis. Prospective cohort study Freddy Liñán Ponce; Juan Leiva Goicochea; David Sevilla Rodríguez; Elmer Hidalgo Bravo; Ginna Obregón Atanacio; Inés Loyola Macalapú; Paola Jáuregui Rojas; Jackeline Yampufe Canani;

Gastrointestinal symptoms in patients using methotrexate: A cross-sectional study in a sample with rheumatoid arthritis Carina Albuquerque Roberto; Isabela Stachevski; Barbara Stadler Kahlow; Renato Nisihara; Thelma Skare;