title: Boundary crossings in the history of health care.
authors.affiliation: Yale University, Yale School of Medicine, New Haven, CT 06520-8015, USA.
authors.forename: John Harley
authors.initials: JH
authors.lastname: Warner
mesh_terms: D003695:Delivery of Health Care / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007400:Interprofessional Relations; D024802:Nurse's Role / Q000266:history*; D014481:United States