Bm: report of a family with review of literature.
D000017:ABO Blood-Group System / Q000235:genetics*; D000328:Adult; D005700:Galactosyltransferases / Q000097:blood; D006801:Humans; D008297:Male; D012463:Saliva / Q000201:enzymology
D000017:ABO Blood-Group System; D005700:Galactosyltransferases