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
. 2003 Mar 1;326(7387):475.
doi: 10.1136/bmj.326.7387.475.

Survey of claims of no effect in abstracts of Cochrane reviews

Affiliations

Survey of claims of no effect in abstracts of Cochrane reviews

Phil Alderson et al. BMJ. .
No abstract available

PubMed Disclaimer

Comment in

References

    1. Altman DG, Bland JM. Absence of evidence is not evidence of absence. BMJ. 1995;311:485. - PMC - PubMed
    1. Greene WL, Concato J, Feinstein AR. Claims of equivalence in medical research: are they supported by the evidence? Ann Intern Med. 2000;132:715–722. - PubMed

Publication types

MeSH terms