PT - JOURNAL ARTICLE AU - Brian S. Alper TI - Varenicline: quantifying the risk AID - 10.1503/cmaj.111-2071 DP - 2011 Sep 06 TA - Canadian Medical Association Journal PG - 1405--1405 VI - 183 IP - 12 4099 - http://www.cmaj.ca/content/183/12/1405.1.short 4100 - http://www.cmaj.ca/content/183/12/1405.1.full SO - CMAJ2011 Sep 06; 183