title: HL-A antibodies and some immunological problems of pregnancy.
mesh_terms: D000017:ABO Blood-Group System; D000906:Antibodies; D004899:Erythroblastosis, Fetal / Q000276:immunology*; D005260:Female; D006650:Histocompatibility Testing; D006801:Humans; D007231:Infant, Newborn; D008214:Lymphocytes / Q000276:immunology; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000276:immunology; D012204:Rh-Hr Blood-Group System
chemical_list: D000017:ABO Blood-Group System; D000906:Antibodies; D012204:Rh-Hr Blood-Group System