title: Neurological surgery in our changing times. The 1972 AANS presidential address.
mesh_terms: D000068:Accreditation; D003479:Curriculum; D004501:Education, Medical; D004503:Education, Medical, Graduate; D008511:Medicine; D009493:Neurosurgery; D010820:Physicians / Q000600:supply & distribution; D013038:Specialization; D014481:United States; D000078329:Workforce