Morbidity of Myocardial Infarction Multicenter Study in Japan (3M Study): study design and event rates for myocardial infarction and coronary death by age category in Japanese workers.

Morbidity of Myocardial Infarction Multicenter Study in Japan (3M Study): study design and event rates for myocardial infarction and coronary death by age category in Japanese workers.