Compared to what? An analysis of comparators in trials informing the National Institute of Clinical Excellence (NICE) low back pain guideline Geronimo Bejarano; Ben Csiernik; Joshua R. Zadro; Giovanni E. Ferreira;

TOPS ¿ a randomized controlled trial of exercise and education to prevent recurrence of low back pain: statistical analysis plan Giovanni E. Ferreira; Chung-Wei Christine Lin; Matthew Leigh Stevens; Mark J. Hancock; Jane Latimer; Trish Wisbey-Roth; Chris G. Maher;

The brief pain inventory¿Interference Subscale has acceptable reliability but questionable validity in acute back and neck pain populations Caitlin M.P. Jones; Chung-Wei Christine Lin; Joshua Zadro; Arianne Verhagen; Mark Hancock; Raymond Ostelo;