Klaas Havenga

Avoiding long-term disturbance to bladder and sexual function in pelvic surgery, particularly with rectal cancer.

K. Havenga, M. DeRuiter, K. Welvaart, 2000, Seminars in surgical oncology.

Aggressive versus conventional strategies in the treatment of rectal adenocarcinoma.

K. Havenga, W. Enker, K. Welvaart, 1996, Surgical oncology.