4Nehls O, Gregor M, Klump B. Serum and bile markers for cholangiocarcinoma[J]. semin Liver Dis,2004,24(2) : 139- 154.
5Okshio G, Manabe T, Watanabe Y, et al. Comparative studies of DUPAN-2, carcinoembryonic antigen, and CA19-9 in the serum and bile of patients with pancreatic and biliary tract diseases: evaluation of the influence of obstructive jaundice[J]. Am J Gastroenterol, 1990, 85(10) : 1370 - 1376.
6[1] Ker CG,Chen JS,Lee KT,et al. Assessment of serum and bile levels of CA19-9 and CA125 in cholangitis and bile duct carcinoma[J]. J Gastroenterol Hepatol,1991,6(5):505-508.
8[3] Pugliese V,Conio M,Nicolo G,et al. Endoscopic retrograde forceps biopsy and brush cytology of biliary strictures:a prospective study[J]. Gastrointest Endosc,1995,42(6):520-526.
9[4] Ponchon T,Gagnon P,Berger F,et al. Value of endobiliary brush cytology and biopsies for the diagnosis of malignant bile duct stenosis:results of a prospective study[J]. Gastrointest Endosc,1995,42(6):565-572.
10[5] Ker CG,Sheen PC,Chien CH,et al. Elevation of carcinoembryonic antigen related to biliary malignancy in hepatolithiasis[J]. Surg Today,1993,23(6):496-499.
7Xu HX,Lu MD,Liu GJ,et al.Imaning of peripheral cholangiocarcinoma with low-mechanical index contrast-enhanced sonography and SonoVue:initial experience[J].J UltrasoundMed,2006,25(1):23-33.