下列何者是對全身性魏格納氏肉芽腫症(Wegener granulomatosis)較有效的實驗室診斷?
PR3-ANCA(proteinase-3 antineutrophil cytoplasm antibodies)
VDRL(Venereal Disease Research Laboratory test)
RF(rheumatoid factor)
anti-SS-A(anti-Sjögren syndrome-A)