4Deeks JJ.Systematic reviews of evaluations of diagnostic and screening tests,2001.
5Egger M,Davey Smith G,Schneider M,et al.Bias in meta-analysis detected by a simple, graphical testBritish Medical Journal,1997.
6S ahani DV,Kadavigere R,Blake M,Fernandez-Del Castillo C,Lauwers GY,Hahn PF.Intraductal papillary mucinous neoplasm of pancreas: multi-detector row CT with 2D curved reformations--correlation with MRCP. Radiology . 2006
7Puli SR,Singh S,Hagedorn CH,Reddy J,Olyaee M.Diagnostic accuracy of EUS for vascular invasion in pancreatic and periampullary cancers: a meta-analysis and systematic review. Gastrointestinal Endoscopy . 2007
8Shoup,M,Hodul,P,Arawha,GV.Defining a role for endoscopic ultrasound in staging periampullary tumors. The American Journal of Surgery . 2000
9DeWitt J,Devereaux B,Chriswell M,McGreevy K,Howard T,Imperiale TF,Ciaccia D,Lane KA,Maglinte D,Kopecky K,LeBlanc J,McHenry L,Madura J,Aisen A,Cramer H,Cummings O,Sherman S.Comparison of endoscopic ultrasonography and multidetector computed tomography for detecting and staging pancreatic cancer. Annals of Internal Medicine . 2004
10Soriano A,Castells A,Ayuso C,et al.Preoperative staging and tumor resectability assessment of pancreatic cancer: prospective study comparing endoscopic ultrasonography, helical computed tomography, magnetic resonance imaging, and angiography. The American journal of Gastroenterology . 2004
