42 診斷混合結締組織疾病(mixed connective tissue disease)時,最有用的血清學標幟為何?
(A) anti-SSA
(B) anti-U1 RNP
(C) anti-Scl 70
(D) anti-nucleolar

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統計: A(2), B(73), C(7), D(6), E(0) #1050841