title: Characteristics of the American Society of Anesthesiologists' membership, 1967-1971.
mesh_terms: D000367:Age Factors; D000776:Anesthesiology; D000777:Anesthetics / Q000009:adverse effects; D003710:Demography; D005550:Foreign Medical Graduates; D006306:Health Surveys; D009026:Mortality; D012737:Sex Factors; D012907:Smoking; D012955:Societies, Medical; D011795:Surveys and Questionnaires; D014481:United States; D000078329:Workforce
chemical_list: D000777:Anesthetics