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

Search Page

Filters

My Custom Filters

Publication date

Text availability

Article attribute

Article type

Additional filters

Article Language

Species

Sex

Age

Other

Search Results

464 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Publication Date timeline is not available.
Page 1
Placebo effect in the treatment of duodenal ulcer.
de Craen AJ, Moerman DE, Heisterkamp SH, Tytgat GN, Tijssen JG, Kleijnen J. de Craen AJ, et al. Br J Clin Pharmacol. 1999 Dec;48(6):853-60. doi: 10.1046/j.1365-2125.1999.00094.x. Br J Clin Pharmacol. 1999. PMID: 10594490 Free PMC article.
Number-needed-to-treat and placebo-controlled trials.
de Craen AJ, Vickers AJ, Tijssen JG, Kleijnen J. de Craen AJ, et al. Lancet. 1998 Jan 31;351(9099):310. doi: 10.1016/S0140-6736(05)78341-0. Lancet. 1998. PMID: 9652609 No abstract available.
Placebos and placebo effects in medicine: historical overview.
de Craen AJ, Kaptchuk TJ, Tijssen JG, Kleijnen J. de Craen AJ, et al. J R Soc Med. 1999 Oct;92(10):511-5. doi: 10.1177/014107689909201005. J R Soc Med. 1999. PMID: 10692902 Free PMC article. No abstract available.
464 results