1. Endoscopic ultrasonography in the assessment of intraand transmural infiltration of tumors in the oesophagus, stomach and papilla of Vater and extra-esophageal lesions;Tio, T.L.; Tytgat, G.N.J.;Endoscopy,1984
2. Endoscopic ultrasonography of normal and pathologic upper gastrointestinal wall structure. Comparison of studies in vivo and vitro with histology;Tio, T.L.; Tytgat, G.N.J.,1986
3. Atlas of transintestinal ultrasonographv;Tio, T.L.; Tytgat, G.N.J.,1986
4. Endoscopic ultrasonography in the diagnosis of submucosal tumors of the upper digestive tract;Yasuda, K.; Nakayima, M.; Kawai, K.;Scand J Gastroenterol,1986
5. Histologic correlates of gastrointestinal ultrasound images;Kimmey, W.B.; Martin, R.W.; Haggit, K.Y.; Wang, D.W.; Silverstein, F.;Gastroenterology,1989