title: [Motor neuron diseases in Osaka prefecture, Japan].
mesh_terms: D000328:Adult; D000367:Age Factors; D005260:Female; D006801:Humans; D007564:Japan; D008297:Male; D008875:Middle Aged; D009046:Motor Neurons; D009468:Neuromuscular Diseases / Q000453:epidemiology*; D012737:Sex Factors