Roels, S. .; Slagmolen, P. .; Nuyts, J. .; Lee, J. A. .; Loeckx, D. .; Maes, F.; Stroobants, S. .; Penninckx, F. .; Haustermans, K. . Biological Image-Guided Radiotherapy in Rectal Cancer: Is There a Role for FMISO or FLT, Next to FDG?. AO 2008, 47, 1237-1248.