. . "DUODENUM." . . "Stomach Neoplasms." . . "Tumor." . . "Epithel." . . . "Benign epithelial tumours of the stomach and duodenum : diagnosis and treatment" . . "Benign epithelial tumours of the stomach and duodenum. Diagnosis and treatment" . . . "Benign epithelial tumours of the stomach and duodenum : Diagnosis and treatment" . . . . . . "Benign epithelial tumours of the stomach and duodenum" . . . "Benign epithelial tumours of the stomach and duodenum; diagnosis and treatment" . . . . . . . . . . . . . "Benign epithelial tumours of the stomach and duodenum aiagnosis and treatment" . . . "ESTOMAGO." . . "Magen." . . "Zwölffingerdarm." . .