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
. 1996 Mar 23;312(7033):779.
doi: 10.1136/bmj.312.7033.779.

Randomised controlled trials in general practice. Are preferable to observational studies

T Fahey
Comment

Randomised controlled trials in general practice. Are preferable to observational studies

T Fahey. BMJ. .
No abstract available

PubMed Disclaimer

Comment on

References

    1. JAMA. 1995 Feb 1;273(5):408-12 - PubMed
    1. BMJ. 1993 Jul 10;307(6896):107-10 - PubMed
    1. BMJ. 1995 Nov 25;311(7017):1382-3 - PubMed
    1. BMJ. 1995 Nov 18;311(7016):1356-9 - PubMed