Commentary: Matched cohorts can be useful

Affiliations

Comment

Stephen Evans. BMJ. 2003.

. 2003 Feb 15;326(7385):357.

¹ London School of Hygiene and Tropical Medicine, London WC1E 7HT. Stephen.Evans@lshtm.ac.uk

No abstract available

Comment on

Association of driver air bags with driver fatality: a matched cohort study.
Cummings P, McKnight B, Rivara FP, Grossman DC. Cummings P, et al. BMJ. 2002 May 11;324(7346):1119-22. doi: 10.1136/bmj.324.7346.1119. BMJ. 2002. PMID: 12003882 Free PMC article.
Short and long term mortality associated with foodborne bacterial gastrointestinal infections: registry based study.
Helms M, Vastrup P, Gerner-Smidt P, Mølbak K. Helms M, et al. BMJ. 2003 Feb 15;326(7385):357. BMJ. 2003. PMID: 12586666 Free PMC article.