RT Journal Article SR Electronic T1 Vioxx should be allowed back on the market advises expert panel JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 234 OP 234 DO 10.1503/cmaj.060821 VO 175 IS 3 A1 Sibbald, Barbara YR 2006 UL http://www.cmaj.ca/content/175/3/234.abstract