Changing times, changing needs, changing programs.1952.
D002648:Child; D002651:Child Advocacy / Q000266:history; D002669:Child Welfare / Q000266:history*; D006301:Health Services Needs and Demand / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010506:Periodicals as Topic / Q000266:history; D011637:Public Health Nursing / Q000266:history; D012573:School Nursing / Q000266:history*; D012940:Social Problems / Q000266:history*; D014481:United States