20th-century US child health care. Past, present, future.
D002662:Child Health Services / Q000191:economics / Q000266:history / Q000639:trends; D004502:Education, Medical, Continuing; D004503:Education, Medical, Graduate; D005544:Forecasting; D049673:History, 20th Century; D006801:Humans; D007396:Internship and Residency; D009722:Nurse Practitioners / Q000266:history; D010370:Pediatric Assistants / Q000266:history; D010372:Pediatrics / Q000193:education / Q000266:history; D010821:Physicians, Family / Q000193:education; D011057:Politics; D014481:United States