RT Journal Article SR Electronic T1 Do NSAIDs inhibit the cardioprotective effects of ASA? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1094 OP 1094 DO 10.1503/cmaj.1040313 VO 170 IS 7 A1 Sheldon M. Singh A1 David A. Alter YR 2004 UL http://www.cmaj.ca/content/170/7/1094.abstract