Cigarette smoking and coronary heart disease in Puerto Rico.
D003327:Coronary Disease / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000453:epidemiology; D011446:Prospective Studies; D011647:Puerto Rico; D012306:Risk; D012907:Smoking; D013223:Statistics as Topic