by Singh, Harminder, Poluha, William, Cheung, Mary, Choptain, Nicole, Baron, Ken I, Taback, Shayne P
Published in Cochrane database of systematic reviews (08.10.2008)

by Singh, Harminder, Poluha, William, Cheang, Mary S, Choptain, Nicole, Baron, Ken I, Taback, Shayne P
Published in Gastrointestinal endoscopy (2008)