PT  - JOURNAL ARTICLE
AU  - Roger Collier
TI  - Flu vaccination campaign poses monitoring difficulties
AID  - 10.1503/cmaj.109-3044
DP  - 2009 Oct 13
TA  - Canadian Medical Association Journal
PG  - E163--E164
VI  - 181
IP  - 8
4099  - http://www.cmaj.ca/content/181/8/E163.short
4100  - http://www.cmaj.ca/content/181/8/E163.full
SO  - CMAJ2009 Oct 13; 181