new cases of coronary heart disease ( chd ) , congestive heart failure ( chf ) and stroke occurring from june 15 , 1970 through june 14 , 1971 , were detected by monitoring admissions to hospitals and nursing homes , reporting of new events by local physicians and perusal of death certificates , necessary data on each case were collected and reviewed by a panel of physicians using strict diagnostic criteria .
C0018799
of
C0018802
congestive heart failure