Willett, C., Ajani, J., Kelsen, D., Sigurdson, E., Abrams, R., Berkey, B., … Kim, P. (2001). Gastrointestinal cancer committee. International Journal of Radiation Oncology Biology Physics, 51(3 SUPPL. 2), 19–27.

Willett, C., J. Ajani, D. Kelsen, E. Sigurdson, R. Abrams, B. Berkey, M. Benetz, et al. “Gastrointestinal cancer committee.” International Journal of Radiation Oncology Biology Physics 51, no. 3 SUPPL. 2 (2001): 19–27.

Willett C, Ajani J, Kelsen D, Sigurdson E, Abrams R, Berkey B, et al. Gastrointestinal cancer committee. International Journal of Radiation Oncology Biology Physics. 2001;51(3 SUPPL. 2):19–27.

Willett, C., et al. “Gastrointestinal cancer committee.” International Journal of Radiation Oncology Biology Physics, vol. 51, no. 3 SUPPL. 2, 2001, pp. 19–27.

Willett C, Ajani J, Kelsen D, Sigurdson E, Abrams R, Berkey B, Benetz M, Crane C, Gaspar L, Goodyear MD, Gunderson L, Haddock M, Hoffman J, Janjan N, John M, Kacknic L, Krieg R, Landry J, Meropol N, Minsky B, Mitchell E, Mohiuddin M, Moulder J, Myerson R, Noyes D, Pajak TF, Raben D, Regine W, Rich T, Robertson JM, Russell A, Skibber J, Kim P. Gastrointestinal cancer committee. International Journal of Radiation Oncology Biology Physics. 2001;51(3 SUPPL. 2):19–27.