title: [Difficulties in carrying out public projects of investigation in primary care].
authors.forename: Esperanza
authors.initials: E
authors.lastname: Escortell Mayor
authors.forename: Gerardo
authors.initials: G
authors.lastname: Lebrijo Pérez
authors.forename: Beatriz
authors.initials: B
authors.lastname: Sánchez Sánchez
authors.forename: Angel
authors.initials: A
authors.lastname: Asúnsolo del Barco
mesh_terms: D035843:Biomedical Research; D011320:Primary Health Care; D013030:Spain