José MMartín-Villa, JorgeMartínez-Laso, Miguel AMoreno-Pelayo, Maria JCastro-Panete, NarcisaMartínez-Quiles, MiguelAlvarez, Maria Dde Juan, Juan JGómez-Reino, AntonioArnaiz-Villena
Annals of the Rheumatic Diseases Apr 1998, 57 (4) 214-219; DOI: 10.1136/ard.57.4.214