title: H.C.G. and trophoblast antigenicity.
mesh_terms: D002462:Cell Membrane / Q000276:immunology; D006063:Chorionic Gonadotropin / Q000276:immunology*; D000939:Epitopes; D005260:Female; D006680:HLA Antigens; D006801:Humans; D008565:Membrane Proteins; D011247:Pregnancy; D011487:Protein Conformation; D014327:Trophoblasts / Q000166:cytology*
chemical_list: D006063:Chorionic Gonadotropin; D000939:Epitopes; D006680:HLA Antigens; D008565:Membrane Proteins