00379nas a2200169   4500000000100000000000100001008004100002100001600043700001400059700001500073700001700088700001600105245005600121300001100177490000700188022001400195       2008                            d1 aT. van Staa1 aL. Smeeth1 aI. Persson1 aJ. Parkinson1 aH. Leufkens00aWhat is the harm-benefit ratio of Cox-2 inhibitors?  a405-130 v37  a0300-5771