![Variations in colonoscopy practice in Europe: A multicentre descriptive study (EPAGE)]()
Variations in colonoscopy practice in Europe: A multicentre descriptive study (EPAGE)Harris, Jennifer K.; Vader, John-Paul; Wietlisbach, Vincent; Harris, Jennifer K.; Vader, John-Paul; Wietlisbach, Vincent; Burnand, Bernard; Gonvers, Jean-Jacques; Froehlich, Florian; THE EPAGE STUDY GROUP, · Scandinavian Journal of Gastroenterology · 2007