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
Comment
. 2004 Jun 8;170(12):1772; author reply 1773-4.
doi: 10.1503/cmaj.1040320.

The best type of trial

J A Chris Delaney
Comment

The best type of trial

J A Chris Delaney. CMAJ. .
No abstract available

PubMed Disclaimer

Comment on

References

    1. Wright JM. Why don't we initiate more large simple randomized controlled trials? [editorial]. CMAJ 2003;169(11):1170-1. - PMC - PubMed
    1. Writing Group for the Women's Health Initiative Investigators. Risks and benefits of estrogen plus progestin in healthy postmenopausal women: principal results from the Women's Health Initiative randomized controlled trial. JAMA 2002;288:321-33. - PubMed
    1. Garbe E, Suissa S. Issues to debate on the Women's Health Initiative (WHI) study. Hum Reprod 2004;19(1):8-13. - PubMed
    1. Hlatky MA, Califf RM, Harrell FE Jr, Lee KL, Mark DB, Pryor DB. Comparison of predictions based on observational data with the results of randomized controlled clinical trials of coronary artery bypass surgery. J Am Coll Cardiol 1988; 11 (2): 237-45. - PubMed