1. Results The main clinical presentations of PM/DM included amyosthenia, muscular tenderness, elevation of serum enzymes, accompanied by abnormal electromyography and muscular pathology.
结果PM/DM以肌无力、肌肉压痛、血清肌酶谱增高为主要临床表现，伴肌电图及病理学检查异常；
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2. Results The main clinical presentations of PM/DM included amyosthenia, muscular tenderness, elevation of serum enzymes, accompanied by abnormal electromyography and muscular pathology.
