RT Journal Article SR Electronic T1 Auricular acupuncture JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1307 OP 1307 DO 10.1503/cmaj.1070008 VO 176 IS 9 A1 Edzard Ernst YR 2007 UL http://www.cmaj.ca/content/176/9/1307.1.abstract