Risk factor assessment of endoscopically removed malignant colorectal polyps
P Netzer, C Forster, R Biral, C Ruchti, J Neuweiler, E Stauffer, R Schönegg, C Maurer, J Hüsler, F Halter, A Schmassmann
Gut Nov 1998, 43 (5) 669-674; DOI: 10.1136/gut.43.5.669
