Effects of smoking on patients with chronic pain: a propensity-weighted analysis on the Collaborative Health Outcomes Information Registry

James S Khan, MD MSc,1 Jennifer M Hah, MD MS,2 and Sean C Mackey, MD PhD2

A Forty-Year Follow-Up of the Dallas Bed Rest and Training Study: The Effect of Age on the Cardiovascular Response to Exercise in Men

Jonathan M. McGavock,1,2 Jeffrey L. Hastings,2 Peter G. Snell,1 Darren K. McGuire,1 Eric L. Pacini,2 Benjamin D. Levine, 1,2 and Jere H. Mitchell1

As different as Venus and Mars: time to distinguish efficacy (can it work?) from effectiveness (does it work?) 

Karim M Khan,1 Hashel Al Tunaiji1,2

Effects of pilates on patients with chronic non-specific low back pain: a systematic review

Hui-Ting Lin, PT, PhD,1 Wei-Ching Hung, OT, PhD,2 Jia-Ling Hung, PT,3 Pei-Shan Wu, PT,1 Li-Jin Liaw, PT, PhD,3 and Jia-Hao Chang, PhD4,*