Decreasing incidence of a history of acute rheumatic fever in chronic rheumatic heart disease.
D000017:ABO Blood-Group System; D000208:Acute Disease; D000293:Adolescent; D000328:Adult; D000368:Aged; D001789:Blood Group Antigens; D002648:Child; D002908:Chronic Disease; D003718:Denmark; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012213:Rheumatic Fever / Q000097:blood / Q000150:complications / Q000453:epidemiology*; D012214:Rheumatic Heart Disease / Q000453:epidemiology* / Q000209:etiology
D000017:ABO Blood-Group System; D001789:Blood Group Antigens