PT  - JOURNAL ARTICLE
AU  - Collier, Roger
TI  - Prevalence of ghostwriting spurs calls for transparency
AID  - 10.1503/cmaj.109-3036
DP  - 2009 Oct 13
TA  - Canadian Medical Association Journal
PG  - E161--E162
VI  - 181
IP  - 8
4099  - http://www.cmaj.ca/content/181/8/E161.short
4100  - http://www.cmaj.ca/content/181/8/E161.full
SO  - CMAJ2009 Oct 13; 181