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;

Entities inside one another: VEXAS, a matryoshka-type disease Silvia Suárez-Díaz; Carmen Yllera-Gutiérrez; Claudia Morán-Castaño; Luis Caminal-Montero;