Elderly-onset rheumatoid arthritis receives less aggressive therapies than young-onset rheumatoid arthritis in an Argentinian cohort Nicolás Pérez, María de Los Ángeles Gargiulo, Marina Khoury, Lorena Suárez, María de los Ángeles Correa, Mariana Pera, Natali Saravia, Graciela Gómez

Association between hypothyroidism and elderly-onset rheumatoid arthritis: A cross-sectional study at national hospital in Peru Paul J. Tejada-Llacsa, Vidia Lumbe Diaz, Carlos Diaz-Arocutipa

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