PT  - JOURNAL ARTICLE
AU  - Walkinshaw, Erin
TI  - Thumbs up and down
AID  - 10.1503/cmaj.109-3911
DP  - 2011 Aug 09
TA  - Canadian Medical Association Journal
PG  - E711--E712
VI  - 183
IP  - 11
4099  - http://www.cmaj.ca/content/183/11/E711.short
4100  - http://www.cmaj.ca/content/183/11/E711.full
SO  - CMAJ2011 Aug 09; 183