1. Smallest real difference, a link between reproducibility and responsiveness;Beckerman;Qual Life Res,2001
2. How spinal manipulative therapy works: why ask why?;Bialosky;J Orthop Sports Phys Ther,2008
3. Do experienced physiotherapists apply equal magnitude of force during a grade 1 central PA on the cervical spine?;Conradie;S Afr J Physiother,2004
4. Predictive factors in poor inter-rater reliability among physical therapists;Cook;J Man Manip Ther,2002
5. Effect of concurrent quantitative feedback training on intra-rater and inter-rater reliability of grade III mobilization over fourth lumbar spinous process;Gautam;Indian J Physiother Occup Ther,2011