[Electron microscopic findings on the skeletal musculature in progressive spinal muscular atrophy].
D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D018482:Muscle, Skeletal; D009133:Muscular Atrophy / Q000473:pathology*; D009134:Muscular Atrophy, Spinal
MICROSCOPY, ELECTRON; MUSCULAR ATROPHY/pathology