title: Studies on the muscle pathology in motor neuron disease.
mesh_terms: D000328:Adult; D000368:Aged; D001706:Biopsy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009046:Motor Neurons; D009132:Muscles / Q000473:pathology*; D009468:Neuromuscular Diseases / Q000473:pathology*