title: Subacute sclerosing panencephalitis in one identical twin.
mesh_terms: D000917:Antibody Formation; D002648:Child; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007111:Immunity, Cellular; D008297:Male; D011247:Pregnancy; D012882:Skin Tests; D013344:Subacute Sclerosing Panencephalitis / Q000235:genetics* / Q000276:immunology; D014430:Twins, Monozygotic