title: A second example of acquired B-like antigen in a healthy person.
mesh_terms: D000017:ABO Blood-Group System; D001782:Blood Donors; D005260:Female; D006386:Hemagglutination Tests; D006801:Humans; D007519:Isoantigens; D008875:Middle Aged; D012463:Saliva / Q000276:immunology
chemical_list: D000017:ABO Blood-Group System; D007519:Isoantigens