RT Journal Article SR Electronic T1 Rofecoxib for colorectal adenomas increased thrombotic events JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 106 OP 106 DO 10.1136/ebm.10.4.106 VO 10 IS 4 YR 2005 UL http://ebm.bmj.com/content/10/4/106.abstract AB