Symptom burden and treatment response in patients with primary biliary cholangitis (PBC) – real life data form Germany - Kaps, L; Yemane, B; Grambihler, A; Nagel, M; Labenz, C; Ahlbrand, CJ; Kremer, WM; Ploch, P; Sprinzel, M; Galle, PR; Wörns, MA; Schattenberg, JM (Zeitschrift für Gastroenterologie, 2019)