title: Patient registries and clinical research.
authors.affiliation: Servicio de Medicina Interna, Hospital Universitario Germans Trias i Pujol, Badalona, Barcelona, España.
authors.forename: S
authors.initials: S
authors.lastname: Fernández
authors.affiliation: Servicio de Medicina Interna, Hospital Universitario Germans Trias i Pujol, Badalona, Barcelona, España. Electronic address: mmonreal.germanstrias@gencat.cat.
authors.forename: M
authors.initials: M
authors.lastname: Monreal