Electromyogram ( emg) and muscle biopsy in patients with chronic spinal muscular atrophy 慢性脊髓性肌萎缩的肌电图及肌活检
The clinicopathological changes were investigated by electromyogram ( EMG) and muscle biopsy in 30 cases of chronic spinal muscular atrophy. 对30例慢性肌脊髓性萎缩症患者进行肌电图和肌活检检查。