PT  - JOURNAL ARTICLE
AU  - Normand Carrey
TI  - Spheres of influence
AID  - 10.1503/cmaj.050962
DP  - 2006 Jan 17
TA  - Canadian Medical Association Journal
PG  - 209--210
VI  - 174
IP  - 2
4099  - http://www.cmaj.ca/content/174/2/209.short
4100  - http://www.cmaj.ca/content/174/2/209.full
SO  - CMAJ2006 Jan 17; 174