The development of doctoral education in nursing: in historical perspective.
D004511:Education, Nursing, Graduate / Q000266:history*; D006801:Humans; D008962:Models, Theoretical; D010687:Philosophy, Nursing; D012067:Religion; D012106:Research; D012380:Role; D012922:Social Change; D012938:Social Perception; D014146:Training Support; D006113:United Kingdom; D014481:United States