title: Letter: Survival of the genetically incompatible fetal graft.
mesh_terms: D005260:Female; D005326:Fetal Proteins / Q000276:immunology*; D005333:Fetus / Q000276:immunology*; D006084:Graft Rejection; D006801:Humans; D008431:Maternal-Fetal Exchange; D010920:Placenta / Q000276:immunology; D011247:Pregnancy; D000509:alpha-Fetoproteins / Q000276:immunology*
chemical_list: D005326:Fetal Proteins; D000509:alpha-Fetoproteins