[BLOOD GROUPS AND IMMATURITY].
D000017:ABO Blood-Group System; D001789:Blood Group Antigens; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007558:Italy; D013223:Statistics as Topic
D000017:ABO Blood-Group System; D001789:Blood Group Antigens
ABO FACTORS; BLOOD GROUPS; INFANT, NEWBORN; INFANT, PREMATURE; ITALY; STATISTICS
GRUPPI SANGUIGNI E IMMATURIT'A.