Soumerai, StephenStarr, DouglasMajumdar, Sumit R.2015-08-032015Soumerai, Stephen B., Douglas Starr, and Sumit R. Majumdar. 2015. “How Do You Know Which Health Care Effectiveness Research You Can Trust? A Guide to Study Design for the Perplexed.” Preventing Chronic Disease 12 (1): E101. doi:10.5888/pcd12.150187. http://dx.doi.org/10.5888/pcd12.150187.1545-1151http://nrs.harvard.edu/urn-3:HUL.InstRepos:17820851en-USHow Do You Know Which Health Care Effectiveness Research You Can Trust? A Guide to Study Design for the PerplexedJournal Article2015-08-0310.5888/pcd12.150187