PT - JOURNAL ARTICLE AU - Herrera, Chris TI - In praise of undercover research AID - 10.1503/cmaj.080136 DP - 2008 Mar 11 TA - Canadian Medical Association Journal PG - 723--724 VI - 178 IP - 6 4099 - http://www.cmaj.ca/content/178/6/723.short 4100 - http://www.cmaj.ca/content/178/6/723.full SO - CMAJ2008 Mar 11; 178