55.手指遇冷時,陣發性產生泛白(pallor)、發紺(cyanosis)與發紅等現象,稱為下列何者?
(A)rheumatoid arthritis
(B)Raynaud phenomenon
(C)Sjögren syndrome
(D)multiple sclerosis
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統計: A(249), B(1247), C(317), D(73), E(0) #1382644
統計: A(249), B(1247), C(317), D(73), E(0) #1382644