Changing views of infant care 1914-1980.
D001903:Bottle Feeding / Q000639:trends; D001942:Breast Feeding; D002668:Child Rearing / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D007223:Infant; D007224:Infant Care / Q000639:trends*; D014039:Toilet Training; D014481:United States