title: The HL-A and ABO systems and choriocarcinoma.
mesh_terms: D000017:ABO Blood-Group System; D002822:Choriocarcinoma / Q000188:drug therapy / Q000276:immunology*; D002859:Chromium Isotopes; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D006648:Histocompatibility; D006801:Humans; D007231:Infant, Newborn; D007519:Isoantigens; D008297:Male; D011247:Pregnancy
chemical_list: D000017:ABO Blood-Group System; D002859:Chromium Isotopes; D007519:Isoantigens