RT Journal Article SR Electronic T1 Minimizing injection pain in local anesthesia JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.111780 DO 10.1503/cmaj.111780 A1 Strazar, Robert A1 Lalonde, Don YR 2012 UL http://www.cmaj.ca/content/early/2012/04/30/cmaj.111780.abstract AB