Smoking among Japanese physicians.
Kawane
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D005260:Female; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008297:Male; D008511:Medicine / Q000706:statistics & numerical data; D010820:Physicians / Q000706:statistics & numerical data*; D012907:Smoking / Q000453:epidemiology*; D013038:Specialization