Immunization to the rare blood factors.
D001789:Blood Group Antigens; D007114:Immunization; D036341:Intercellular Signaling Peptides and Proteins; D010455:Peptides; D014611:Vaccination
D001789:Blood Group Antigens; D036341:Intercellular Signaling Peptides and Proteins; D010455:Peptides; C021266:vascular factor
BLOOD GROUPS