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
Comparative Study
. 1991 Jul 20;303(6795):173-4.
doi: 10.1136/bmj.303.6795.173.

Controlled trials in single subjects. 1. Value in clinical medicine

T Johannessen  1
Affiliations
Comparative Study

Controlled trials in single subjects. 1. Value in clinical medicine

T Johannessen. BMJ. .
No abstract available

PubMed Disclaimer

Comment in

References

    1. Scand J Prim Health Care. 1991 Mar;9(1):17-21 - PubMed
    1. CMAJ. 1988 Sep 15;139(6):497-503 - PubMed
    1. Lancet. 1986 Mar 29;1(8483):726-8 - PubMed
    1. Scand J Gastroenterol. 1988 Apr;23(3):327-36 - PubMed
    1. Am J Psychiatry. 1981 Apr;138(4):515-8 - PubMed

Publication types

LinkOut - more resources