ŞAHİN, Memduh, et al. “Two Cases of Wegener’s Granulomatosis With Pancreatic Pseudocyst Treated by Endoscopic Ultrasonography (EUS)-Guided Drainage”. Turkish Journal of Gastroenterology, vol. 23, no. 2, Jan. 2012, pp. 175-80, doi:10.4318/tjg.2012.0281.