DISTRIBUTION OF GRADUATES OF MEDICAL SCHOOLS IN THE UNITED STATES AND CANADA ACCORDING TO SPECIALTIES, 1900 TO 1964.
D002170:Canada; D004501:Education, Medical; D006664:History; D006801:Humans; D008511:Medicine; D009462:Neurology; D009493:Neurosurgery; D011570:Psychiatry; D012577:Schools, Medical; D013038:Specialization; D013223:Statistics as Topic; D014481:United States
CANADA; EDUCATION, MEDICAL; HISTORY; NEUROLOGY; NEUROSURGERY; PSYCHIATRY; SPECIALISM; STATISTICS; UNITED STATES