title: [Rare diseases's new world].
authors.affiliation: Medicina Familiar y Comunitaria, EAP Puerta de Madrid, Alcalá de Henares, Madrid, España. Electronic address: antonio.aguilar@salud.madrid.org.
authors.forename: Antonio L
authors.initials: AL
authors.lastname: Aguilar-Shea
mesh_terms: D006801:Humans; D011320:Primary Health Care; D035583:Rare Diseases