title: HL-A antigens and choriocarcinoma.
mesh_terms: D000328:Adult; D000941:Antigens / Q000032:analysis*; D002822:Choriocarcinoma / Q000276:immunology*; D005260:Female; D006238:Haploidy; D006648:Histocompatibility; D006650:Histocompatibility Testing; D006801:Humans; D007962:Leukocytes / Q000276:immunology; D008214:Lymphocytes / Q000276:immunology*; D008297:Male; D009362:Neoplasm Metastasis; D010298:Parity; D010920:Placenta / Q000276:immunology; D011247:Pregnancy; D012703:Serotyping
chemical_list: D000941:Antigens