title: Letter: Subacute sclerosing panencephalitis and Salk vaccine.
mesh_terms: D001327:Autoimmune Diseases / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007074:Immunoglobulin G / Q000032:analysis; D008297:Male; D017955:Poliovirus / Q000472:pathogenicity; D013344:Subacute Sclerosing Panencephalitis / Q000209:etiology* / Q000276:immunology / Q000382:microbiology
chemical_list: D007074:Immunoglobulin G