[Follow-up study of motor neuron disease in Hobara area, Kii Peninsula, Japan (author's transl)].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007564:Japan; D008297:Male; D008875:Middle Aged; D009046:Motor Neurons; D009468:Neuromuscular Diseases / Q000453:epidemiology*