title: [State of research in various countries. Japan].
authors.affiliation: Nursing Director of Yamagata Universty Hospital, Japon.
authors.forename: Kazuko
authors.initials: K
authors.lastname: Otani
mesh_terms: D006801:Humans; D007564:Japan; D015399:Nursing Research / Q000639:trends*; D011156:Population Density; D012956:Societies, Nursing / Q000458:organization & administration