5. 雷諾德氏現象(Raynaud's phenomenon)在那一種肌肉骨骼疾病最常見?
(A) Rheumatoid arthritis
(B) Dermatomyositis, polymyositis
(C) Systemic lupus erythematosus
(D) Overlap,mixed,undifferentiated
(E) Systemic sclerosis

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