Mortality of male doctors and reductions in cigarette smoking.
D000367:Age Factors; D000368:Aged; D002561:Cerebrovascular Disorders / Q000401:mortality; D003327:Coronary Disease / Q000401:mortality; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality; D008297:Male; D008875:Middle Aged; D010820:Physicians; D012907:Smoking / Q000401:mortality*; D000074606:Smoking Prevention; D013315:Stress, Psychological / Q000401:mortality