title: Intrauterine selection and ABO incompatibility in man. Communication I. Analysis of the distribution of blood groups of the ABO system among 8123 mother-child pairs.
mesh_terms: D000017:ABO Blood-Group System; D001787:Blood Group Incompatibility / Q000097:blood / Q000235:genetics*; D005260:Female; D005787:Gene Frequency; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000097:blood / Q000235:genetics*; D014586:USSR
chemical_list: D000017:ABO Blood-Group System