Association of secretor status and rheumatic fever in 106 families.
D000017:ABO Blood-Group System; D000328:Adult; D002648:Child; D005826:Genetics, Medical; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D012213:Rheumatic Fever / Q000175:diagnosis / Q000235:genetics*; D012463:Saliva
D000017:ABO Blood-Group System