title: The incidence of sudden unexpected death of cardiac origin during 1977 in the Stockholm community--a pilot study.
mesh_terms: D000328:Adult; D000368:Aged; D009202:Cardiomyopathies / Q000150:complications; D003645:Death, Sudden / Q000453:epidemiology / Q000209:etiology*; D005260:Female; D006331:Heart Diseases / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010865:Pilot Projects; D013548:Sweden