[SEASONAL FLUCTUATIONS IN MORTALITY FROM CARDIOVASCULAR DISEASES].
D002318:Cardiovascular Diseases; D006801:Humans; D009026:Mortality; D012621:Seasons; D014586:USSR
CARDIOVASCULAR DISEASES; MORTALITY; SEASONS; USSR
SEZONNYE KOLEBANIIA SMERTNOSTI OT SERDECHNO-SOSUDISTYKH ZABOLEVANI I.