PT  - JOURNAL ARTICLE
AU  - Kevin E. Thorpe
AU  - Merrick Zwarenstein
AU  - Andrew D. Oxman
AU  - Shaun Treweek
AU  - Curt D. Furberg
AU  - Douglas G. Altman
AU  - Sean Tunis
AU  - Eduardo Bergel
AU  - Ian Harvey
AU  - David J. Magid
AU  - Kalipso Chalkidou
TI  - A pragmatic–explanatory continuum indicator summary (PRECIS): a tool to help trial designers
AID  - 10.1503/cmaj.090523
DP  - 2009 May 12
TA  - Canadian Medical Association Journal
PG  - E47--E57
VI  - 180
IP  - 10
4099  - http://www.cmaj.ca/content/180/10/E47.short
4100  - http://www.cmaj.ca/content/180/10/E47.full
SO  - CMAJ2009 May 12; 180