Aphthous stomatitis and laryngitis, another form of presentation of an IgG4-related disease? Silvia Suárez-Díaz; Faustino Núñez-Batalla; María Soledad Fernández-García; María Belén Fernández-Llana; Carmen Yllera-Gutiérrez; Luis Caminal-Montero;

IgA vasculitis as a presentation of human immunodeficiency virus infection Anahy M. Brandy-García; Jorge Santos-Juanes; Silvia Suarez; Luis Caminal-Montero;

Capecitabine-induced sarcoidosis in an oncology patient: Clinical presentation with arthritis Yedra Usón-Rodríguez; Fátima Mocha-Campillo; Maialen Guerrero-Gómez; Juan Lao-Romera; Marina Soledad Moreno-García;