Ramos-Casals Manuel, Font Jasep, Garcia-Carrasco Mario, Brito Maria-Pilar, Rosas Jose, Calvo-Alen Jaime, Pallares Lucio, Cervera Ricard, Ingelmo Miguel
Department of Autoimmune Diseases, Clinical Institute of Infections and Immunology, Barcelona, Spain.
Medicine (Baltimore). 2002 Jul;81(4):281-92. doi: 10.1097/00005792-200207000-00004.