47.下列各種對於社區性肺炎(community-acquired pneumonia)致病原檢查(etiologic diagnosis),何者有 最高的特異性(specificity)?
(A)sputum Gram stain
(B)procalcitonin
(C)urine legionella antigen test
(D)serum Mycoplasma pneumoniae IgG titer
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統計: A(0), B(1), C(2), D(0), E(0) #3946702
統計: A(0), B(1), C(2), D(0), E(0) #3946702