RT Journal Article SR Electronic T1 What's all the fuss? Safety concerns about COX-2 inhibitors rofecoxib (Vioxx) and celecoxib (Celebrex) JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1692 OP 1693 VO 166 IS 13 A1 Eric Wooltorton YR 2002 UL http://www.cmaj.ca/content/166/13/1692.abstract AB