title: [Letter to the Journal of Gastroenterology. Comment on the article "Senna or bisacodyl before lavage preparation for colonoscopy: prospective randomized comparative study", by D. J. Ziegenhagen, E. Zehnter, W. Tacke, T. H. Gheorghiu, W. Kruis].
authors.forename: R J
authors.initials: RJ
authors.lastname: Burlefinger
authors.forename: W
authors.initials: W
authors.lastname: Schmitt
mesh_terms: D001726:Bisacodyl / Q000008:administration & dosage*; D003113:Colonoscopy / Q000379:methods*; D006801:Humans; D011446:Prospective Studies; D012676:Senna Extract / Q000008:administration & dosage*; D007507:Therapeutic Irrigation / Q000379:methods*
chemical_list: D001726:Bisacodyl; D012676:Senna Extract
vernacular_title: Brief an die Zeitschrift für Gastroenterologie. Artikel "Senna oder Bisacodyl vor Lavage zur Koloskopievorbereitung: Prospektiv randomisierte Vergleichsstudie", von D. J. Ziegenhagen, E. Zehnter, W. Tacke, T. H. Gheorghiu, W. Kruis, Z gastroenterol 1991; 29: 349-52.