RT Journal Article SR Electronic T1 Making needles less prickly JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 997 OP 997 DO 10.1503/cmaj.1150060 VO 187 IS 13 A1 Sarah J. Curtis A1 William R. Craig YR 2015 UL http://www.cmaj.ca/content/187/13/997.1.abstract