Smoking and coronary heart disease.
D000328:Adult; D000368:Aged; D003327:Coronary Disease / Q000401:mortality*; D006801:Humans; D008175:Lung Neoplasms / Q000401:mortality; D008875:Middle Aged; D010820:Physicians; D012907:Smoking / Q000453:epidemiology*; D006113:United Kingdom