Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Editorial
. 2006 Nov;59(11):1125-6.
doi: 10.1016/j.jclinepi.2006.05.010. Epub 2006 Aug 10.

Why are so few randomized trials useful, and what can we do about it?

Merrick Zwarenstein, Andy Oxman; Pragmatic Trials in Health Care Systems (PRACTIHC)
Editorial

Why are so few randomized trials useful, and what can we do about it?

Merrick Zwarenstein et al. J Clin Epidemiol. 2006 Nov.
No abstract available

PubMed Disclaimer

Publication types

MeSH terms

LinkOut - more resources