title: [State of research in various countries. Cuba].
authors.affiliation: Ecole Nationale de Santé Publique.
authors.forename: Martinez Trujillo
authors.initials: MT
authors.lastname: Nelcy
mesh_terms: D003462:Cuba; D006801:Humans; D015399:Nursing Research / Q000639:trends*; D011156:Population Density; D012956:Societies, Nursing / Q000458:organization & administration