[On the origin of ABO isoantibodies in infants].
D000017:ABO Blood-Group System; D000917:Antibody Formation; D004926:Escherichia coli; D005243:Feces; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007518:Isoantibodies; D007778:Lactobacillus
D000017:ABO Blood-Group System; D007518:Isoantibodies
ABO FACTORS; ANTIBODY FORMATION; ESCHERICHIA COLI; FECES; INFANT, NEWBORN; LACTOBACILLUS