by Steel, Alan W., MD, MRCP, Postgate, Aymer J., MD, MRCP, Khorsandi, Shirin, MRCS, Nicholls, Joanna, MSc, Jiao, Long, FRCS, Vlavianos, Pangiotis, MD, Habib, Nagy, FRCS, Westaby, David, MA, FRCP
Published in Gastrointestinal endoscopy (2011)