- Opposing systematic reviews: the effects of two quality rating instruments on evidence regarding t'ai chi and bone mineral density in postmenopausal womenSunny Y Alperson
National Institute of Nursing Research, and NIH Clinical Center, National Institutes of Health, 10 Center Drive, Bethesda, MD 20892, USA
J Altern Complement Med 17:389-95. 2011..The aim is to examine how chosen quality rating instruments can impact systematic reviews of TC literature...
- A general framework for the evaluation of clinical trial qualityVance W Berger
National Institutes of Health National Cancer Institute, 6130 Executive Boulevard, MSC 7354, Bethesda, MD 20892 7354 USA
Rev Recent Clin Trials 4:79-88. 2009..We will demonstrate that current evaluations fall well short of these ideals...