title: HL-A immunization and HL-A types in pregnancy.
mesh_terms: D000917:Antibody Formation; D000918:Antibody Specificity; D000961:Antilymphocyte Serum; D003429:Cross Reactions; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D005787:Gene Frequency; D006649:Histocompatibility Antigens / Q000032:analysis*; D006801:Humans; D007114:Immunization; D007518:Isoantibodies; D008214:Lymphocytes / Q000276:immunology; D010641:Phenotype; D011247:Pregnancy
chemical_list: D000961:Antilymphocyte Serum; D006649:Histocompatibility Antigens; D007518:Isoantibodies