00469nas a2200145 4500000000100000008004100001100001700042700001200059700001400071700001600085700001500101700001200116245018100128022001400309 2020 d1 aR. Weinstein1 aP. Ryan1 aJ. Berlin1 aM. Schuemie1 aJ. Swerdel1 aD. Fife00aChanneling Bias in the Analysis of Risk of Myocardial Infarction, Stroke, Gastrointestinal Bleeding, and Acute Renal Failure with the Use of Paracetamol Compared with Ibuprofen a0114-5916