Maternal and obstetric factors in asphyxia neonatorum with a preliminary report on a possible association with ABO blood groups.
D000017:ABO Blood-Group System; D001238:Asphyxia Neonatorum / Q000209:etiology*; D001789:Blood Group Antigens; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy
D000017:ABO Blood-Group System; D001789:Blood Group Antigens
ASPHYXIA NEONATORUM/etiology; BLOOD GROUPS