This site needs JavaScript to work properly. Please enable it to take advantage of the complete set of features!

Skip to main page content

Add to Collections

Your saved search

Name of saved search:

Search terms:

Test search terms

Would you like email updates of new search results?

Yes
No

Email: (change)

Frequency:

Which day?

Which day?

Report format:

Send at most:

Send even when there aren't any new results

Optional text in email:

Your RSS Feed

Comparative Study

. 2000 Oct 19;343(16):1195; author reply 1196-7.

Observational studies and randomized trials

P Y Liu, G Anderson, J J Crowley

PMID: 11041758

Comparative Study

Observational studies and randomized trials

P Y Liu et al. N Engl J Med. 2000.

. 2000 Oct 19;343(16):1195; author reply 1196-7.

Authors

P Y Liu, G Anderson, J J Crowley

PMID: 11041758

No abstract available

PubMed Disclaimer

Comment on

A comparison of observational studies and randomized, controlled trials.
Benson K, Hartz AJ. Benson K, et al. N Engl J Med. 2000 Jun 22;342(25):1878-86. doi: 10.1056/NEJM200006223422506. N Engl J Med. 2000. PMID: 10861324
Randomized, controlled trials, observational studies, and the hierarchy of research designs.
Concato J, Shah N, Horwitz RI. Concato J, et al. N Engl J Med. 2000 Jun 22;342(25):1887-92. doi: 10.1056/NEJM200006223422507. N Engl J Med. 2000. PMID: 10861325 Free PMC article.

Publication types

Actions
Actions
Actions

MeSH terms

Actions
Actions
Actions
Actions
Actions
Actions
Actions
Actions
Actions
Actions

LinkOut - more resources

Full Text Sources
- Ovid Technologies, Inc.