The evolution of nurse-midwifery: 1900-1960.
D001294:Attitude to Health; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008427:Maternal Health Services / Q000331:legislation & jurisprudence; D008880:Midwifery / Q000639:trends*; D009721:Nurse Midwives / Q000266:history* / Q000639:trends; D011247:Pregnancy; D012938:Social Perception; D014481:United States