PT  - JOURNAL ARTICLE
AU  - Thorpe, Kevin E.
AU  - Zwarenstein, Merrick
AU  - Oxman, Andrew D.
AU  - Treweek, Shaun
AU  - Furberg, Curt D.
AU  - Altman, Douglas G.
AU  - Tunis, Sean
AU  - Bergel, Eduardo
AU  - Harvey, Ian
AU  - Magid, David J.
AU  - Chalkidou, Kalipso
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