Crohn’s Disease of the Esophagus: Treatment of an Esophagobronchial Fistula with the Novel Liquid Embolic Polymer “Onyx” - Rieder, F; Hamer, O; Gelbmann, C; Schölmerich, J; Gross, V; Feuerbach, S; Herfarth, H; Rogler, G (Zeitschrift für Gastroenterologie, 2006)