Duration, efficacy and safety of colonoscopy in patients with compensated and decompensated cirrhosis - Ferstl, PG; Braun, S; Filmann, N; Schulz, M; Queck, A; Trebicka, J; Zeuzem, S; Jung, M; Knabe, M; Friedrich-Rust, M; Waidmann, O (Zeitschrift für Gastroenterologie, 2021)