The Norwegian Gastronet project. Continuous quality improvement of colonoscopy in 14 Norwegian centers

Hoff G, Bretthauer M, Huppertz-Hauss G, Kittang E, Stallemo A, Høie O, Dahler S, Nyhus S, Halvorsen F-A, Pallenschat J, Vetvik K, Sandvei P Kr, Friestad J, Pytte R, Coll P. The Norwegian Gastronet project. Continuous quality improvement of colonoscopy in 14 Norwegian centers.
Scand J Gastroenterol 2006;41:481-7