title: [Data and reflection on the current process of evaluation of multicenter clinical trials in Spain].
authors.forename: A
authors.initials: A
authors.lastname: Gil Aguado
authors.forename: P
authors.initials: P
authors.lastname: Lavilla Uriol
authors.forename: E
authors.initials: E
authors.lastname: Fernández de Uzquiano
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D028741:Ethics Committees, Clinical; D015337:Multicenter Studies as Topic / Q000592:standards*; D013030:Spain