Past personalities and present problems. The 1971 AANS presidential address.
D004501:Education, Medical; D049672:History, 19th Century; D049673:History, 20th Century; D008318:Malpractice / Q000266:history*; D008511:Medicine; D008910:Minnesota; D009493:Neurosurgery / Q000193:education / Q000266:history*; D013038:Specialization; D014481:United States