目的探讨胸段棘旁肌、胸锁乳突肌、舌肌肌电图联合检测在肌萎缩侧索硬化（ALS）诊断中的价值。
Objective: To evaluate combined tests of thoracic paraspinal muscles and sternocleidomastoid muscle and tongue muscles with electromyography as diagnostic aids in amyotrophic lateral sclerosis (ALS).
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