Endoscopy, Table of Contents Endoscopy 2012; 44(08): 800DOI: 10.1055/s-0032-1310068 Letters to the editor © Georg Thieme Verlag KG Stuttgart · New YorkReply to Lenz et al. A. May Recommend Article Abstract Buy Article Full Text References References 1 Xin L, Liao Z, Jiang YP et al. Indications detectability, positive findings, total enteroscopy, and complications of diagnostic double-balloon endoscopy: a systematic review of data of the first decade of use. Gastrointest Endosc 2011; 74: 563-570 2 Möschler O, May A, Müller MK et al. Complications in and performance of double-balloon enteroscopy (DBE): results from a large prospective DBE database in Germany. Endoscopy 2011; 43: 484-489