The absence of excess coronary heart disease among the elderly in the continuation of cigarette smoking: a reply.
D000328:Adult; D000367:Age Factors; D000368:Aged; D003327:Coronary Disease / Q000209:etiology* / Q000401:mortality; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk; D012907:Smoking / Q000401:mortality