Retroflexion-induced perforation during colonoscopy after polypectomy: a word of caution.
John AK, Al Kaabi S, Thandassery RB, Dweik N. Retroflexion-induced perforation during colonoscopy after polypectomy: a word of caution. Endoscopy. 2015; 47 Suppl 1 UCTN:E186.