Gastric outlet obstruction and pulmonary infiltrate in a patient with Crohn’s disease: Successful treatment by Billroth-II-resection - Voderholzer, W A; Zietz, Chr; Feucht, H E; Heldwein, W; Hallfeldt, H; Huber, R M; Loeschke, K (Zeitschrift für Gastroenterologie, 2000)