[Clinical study of the question of the Kell factor].
D035843:Biomedical Research; D001789:Blood Group Antigens; D004899:Erythroblastosis, Fetal / Q000209:etiology*; D005333:Fetus; D006402:Hematologic Diseases
D001789:Blood Group Antigens
BLOOD GROUPS; ERYTHROBLASTOSIS, FETAL/etiology