PT - JOURNAL ARTICLE AU - Daniel J. Heffner TI - Unreadable AID - 10.1503/cmaj.111810 DP - 2012 Jun 12 TA - Canadian Medical Association Journal PG - 1066--1066 VI - 184 IP - 9 4099 - http://www.cmaj.ca/content/184/9/1066.short 4100 - http://www.cmaj.ca/content/184/9/1066.full SO - CMAJ2012 Jun 12; 184