Passive smoking.
Hirayama
T
T
D000328:Adult; D000367:Age Factors; D015331:Cohort Studies; D003327:Coronary Disease / Q000401:mortality*; D005260:Female; D006801:Humans; D007564:Japan / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
D014028:Tobacco Smoke Pollution