More great work from Dan Cherkin at Group Health.
http://well.blogs.nytimes.com/2011/07/04/embargo-july-4-5pm-for-back-pain-try-massage/
"Daniel C. Cherkin, the lead author and an epidemiologist with the Group Health Research Institute in Seattle, mentioned some of the study’s considerable strengths. It had a randomized design, a high follow-up rate, good adherence to the…
Continue