Saxena Payal, Khashab Mouen A
Department of Medicine, Division of Gastroenterology and Hepatology, The Johns Hopkins Hospital, 1800 Orleans St, Baltimore, MD, 21287, USA,
Surg Endosc. 2013 Oct;27(10):3932-3. doi: 10.1007/s00464-013-2971-y. Epub 2013 Apr 30.