1. A case report of an early esophageal cancer type Ia;Solt;Extracta Gastroenterol,1980
2. The aimed dilatation of the benign strictures of the esophagus with balloon catheter;Solt;Orv Hetil,1981
3. Gezielte Dilatation benigner Oesophagusstenosen mit einem Ballonkatheter;Solt;Extracta Gastroenterol,1981
4. Dilatation of severe esophageal strictures by an inflatable balloon catheter;London;Gastroenterology,1981
5. Balloon catheter dilatation of esophageal strictures—a preliminary report;Owmann;Gastrointest Radiol,1982