Burgstaller, Jakob M; Wertli, Maria M; Steurer, Johann; Kessels, A G; Held, Ulrike; Gramke, HF (2017). The Influence of Pre- and Postoperative Fear Avoidance Beliefs on Postoperative Pain and Disability in Patients with Lumbar Spinal Stenosis: Analysis of the Lumbar Spinal. Spine, 42(7):E425-E432.
Robert, Y C A; Wild, A; Kessels, A G; Backes, W H; Zollinger, A; Bachmann, L M (2012). Discrimination of healthy and glaucomatous eyes based on the ocular pulse amplitude: A diagnostic case-control study. Ophthalmic Research, 48(1):1-5.
Heitz, C; Bachmann, L M; Leibfried, A; Kissling, R; Kessels, A G; Perez, R S; Marinus, J; Brunner, F (2010). Translating the Dutch Walking Stairs, Walking Ability and Rising and Sitting Questionnaires into German and assessing their concurrent validity with VAS measures of pain and activities in daily living. BMC Musculoskeletal Disorders, 11:108.
Puhan, M A; Bachmann, L M; Kleijnen, J; ter Riet, G; Kessels, A G (2009). Inhaled drugs to reduce exacerbations in patients with chronic obstructive pulmonary disease: a network meta-analysis. BMC Medicine, 7:2.