title: A rare case of embryonic chimerism in human twins.
mesh_terms: D000328:Adult; D000372:Agglutination Tests; D001789:Blood Group Antigens / Q000276:immunology*; D002678:Chimera / Q000276:immunology*; D004912:Erythrocytes / Q000276:immunology*; D006801:Humans; D008297:Male; D014427:Twins
chemical_list: D001789:Blood Group Antigens