1. Endoscopic ultrasound in the pre-operative staging of rectal carcinoma;Boyce;Gastrointest Endosc,1992
2. Inter-observer agreement on endosonography: Application to staging in esophageal cancer;Burtiņ;Gastroenterology,1993
3. Accuracy of endoscopic ultrasonography in the diagnosis and staging of gastric cancer and lymphoma;Caletti;Surgery,1993
4. Assessment of portal hypertension by endoscopic ultrasonography;Caletti;Gastrointest Endosc,1990
5. Post-operative screening for recurrence of esophageal carcinoma (ECA) by endoscopic ultrasonography (EUS);Catalano;Am J Gastro,1992