TY - JOUR T1 - Varenicline for smoking cessation: Is it a heartbreaker? JF - Canadian Medical Association Journal JO - CMAJ SP - 1346 LP - 1347 DO - 10.1503/cmaj.110804 VL - 183 IS - 12 AU - J. Taylor Hays Y1 - 2011/09/06 UR - http://www.cmaj.ca/content/183/12/1346.abstract ER -