RT Journal Article SR Electronic T1 Social pain and opioid use JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 64 OP 64-a DO 10.1503/cmaj.110-2000 VO 182 IS 1 A1 John de Couto YR 2010 UL http://www.cmaj.ca/content/182/1/64.2.abstract