[Occurrence of ABO factors in premature infants and their mothers].
D000017:ABO Blood-Group System; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D011044:Poland; D011247:Pregnancy
D000017:ABO Blood-Group System
Ocena czestości wystepowania cech grupowych układu ABO u wcześniaków i ich matek.