Search results for: Robert J van Grootel
BMC Musculoskeletal Disorders > 2017 > 18 > 1 > 1-17
BMC Medical Research Methodology > 2013 > 13 > 1 > 1-31
European Journal of Pain > 2009 > 13 > 5 > 506-510
European Journal of Pain > 2007 > 11 > 6 > 635-643