Winn J N, Akbar S, Theivanayagam S, Lim R G, Odum B R, Bechtold M L, Diaz-Arias A, Arif M
Division of Gastroenterology, University of Missouri School of Medicine, Columbia, Missouri 65212, USA.
Endoscopy. 2013;45 Suppl 2 UCTN:E155-6. doi: 10.1055/s-0032-1326495. Epub 2013 May 28.