[The incidence of heart disease (based on epidemiologic studies in the town of Kazanluk and its surrounding villages].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002031:Bulgaria; D004812:Epidemiologic Methods; D005260:Female; D006331:Heart Diseases / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged
Vurkhu chestotata na surdechnite porotsi (po danni ot epidemiologichnite prouchvaniia v gr. Kazanluk i sustavnite mu sela.