Serological findings on quadrizygotic quadruplets.
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011783:Quadruplets; D012737:Sex Factors
D000017:ABO Blood-Group System; D001789:Blood Group Antigens