title: A study of maternal-fetal anti-HL-A immunization. Extension of immunization.
mesh_terms: D000906:Antibodies; D000941:Antigens; D003429:Cross Reactions; D005260:Female; D006649:Histocompatibility Antigens; D006801:Humans; D007114:Immunization; D008431:Maternal-Fetal Exchange; D010375:Pedigree; D010641:Phenotype; D011247:Pregnancy; D013997:Time Factors
chemical_list: D000906:Antibodies; D000941:Antigens; D006649:Histocompatibility Antigens