Quality indicators for colonoscopy procedures: a prospective multicentre method for endoscopy units.
Coriat R, Lecler A, Lamarque D, Deyra J, Roche H, Nizou C, Berretta O, Mesnard B, Bouygues M, Soupison A, et al. PLoS One. 2012; 7(4):e33957. Epub 2012 Apr 11.