Authors: Wittink, H Rogers, W Gascon, C Sukiennik, A Cynn, D Carr, DB

Citation: H. Wittink et al., Relative contribution of mental health and exercise-related pain incrementto treadmill test intolerance in patients with chronic low back pain, SPINE, 26(21), 2001, pp. 2368-2374

Authors: Rogers, WH Wittink, H Wagner, A Cynn, D Carr, DB

Citation: Wh. Rogers et al., Assessing individual outcomes during outpatient multidisciplinary chronic pain treatment by means of an augmented SF-36, PAIN MED, 1(1), 2000, pp. 44-54

Authors: Wittink, H Michel, TH Wagner, A Sukiennik, A Rogers, W

Citation: H. Wittink et al., Deconditioning in patients with chronic low back pain - Fact or fiction?, SPINE, 25(17), 2000, pp. 2221-2228

Authors: Wittink, H Michel, TH Kulich, R Wagner, A Sukiennik, A Maciewicz, R Rogers, W

Citation: H. Wittink et al., Aerobic fitness testing in patients with chronic low back pain - Which test is best?, SPINE, 25(13), 2000, pp. 1704-1710