title: [SMON--from the epidemiological point of view (mainly in Okayama Prefecture)].
mesh_terms: D000005:Abdomen; D000293:Adolescent; D000328:Adult; D000368:Aged; D001062:Appendectomy; D006760:Hospitalization; D006801:Humans; D007564:Japan; D008875:Middle Aged; D009187:Myelitis / Q000453:epidemiology* / Q000235:genetics / Q000401:mortality; D009902:Optic Neuritis / Q000453:epidemiology* / Q000235:genetics / Q000401:mortality; D010146:Pain; D014867:Water
chemical_list: D014867:Water