PT  - JOURNAL ARTICLE
AU  - J M Kendall
TI  - Designing a research project: randomised controlled trials and their principles
AID  - 10.1136/emj.20.2.164
DP  - 2003 Mar 01
TA  - Emergency Medicine Journal
PG  - 164--168
VI  - 20
IP  - 2
4099  - http://emj.bmj.com/content/20/2/164.short
4100  - http://emj.bmj.com/content/20/2/164.full
SO  - Emerg Med J2003 Mar 01; 20
AB  - The sixth paper in this series discusses the design and principles of randomised controlled trials.