title: Letter: S.S.P.E. in New Zealand.
mesh_terms: D000293:Adolescent; D002648:Child; D006801:Humans; D007223:Infant; D008457:Measles / Q000150:complications; D009520:New Zealand; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects; D013344:Subacute Sclerosing Panencephalitis / Q000453:epidemiology* / Q000209:etiology
chemical_list: D011055:Poliovirus Vaccine, Oral