title: Subacute sclerosing panencephalitis in only one of identical twins.
mesh_terms: D000293:Adolescent; D000914:Antibodies, Viral / Q000032:analysis; D002675:Child, Preschool; D004200:Diseases in Twins; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008457:Measles / Q000150:complications / Q000276:immunology; D009500:Neutralization Tests; D013344:Subacute Sclerosing Panencephalitis / Q000134:cerebrospinal fluid / Q000209:etiology / Q000235:genetics / Q000276:immunology
chemical_list: D000914:Antibodies, Viral