H. Valk

Predictors for Neoplastic Progression in Patients With Barrett's Esophagus: A Prospective Cohort Study

E. Kuipers, E. Steyerberg, J. Arends, 2011, The American Journal of Gastroenterology.

Screening for colorectal cancer: random comparison of guaiac and immunochemical faecal occult blood testing at different cut-off levels

J. Habbema, E. Kuipers, M. van Ballegooijen, 2009, British Journal of Cancer.