A G Kessels

Prevalence of pain in patients with cancer: a systematic review of the past 40 years.

H C Schouten, M. van Kleef, A. Kessels, 2007, Annals of oncology : official journal of the European Society for Medical Oncology.

A Dose-Response Relation of Headers and Concussions With Cognitive Impairment in Professional Soccer Players

M. Lezak, J. Troost, A. Kessels, 2001, Journal of clinical and experimental neuropsychology.

Chronic traumatic brain injury in professional soccer players

M. Lezak, B. Jordan, J. Troost, 1998, Neurology.

Neuropsychological impairment in amateur soccer players.

M. Lezak, A. Kessels, B. Jordan, 1999, JAMA.