Carbon dioxide insufflation reduces patient discomfort due to screening flexible sigmoidoscopy for colorectal cancer

Bretthauer M, Hoff G, Thiis-Evensen E, Grotmol T, Skovlund E, Thorp-Holmsen S, Moritz V, Busch M.
Carbon dioxide insufflation reduces patient discomfort due to screening flexible sigmoidoscopy for colorectal cancer.
Scand J Gastroenterol 2002;37:1103-7