Drupal-Bibcite31<style face="normal" font="default" size="100%">Cyclooxygenase-2 selective nonsteroidal anti-inflammatory drugs and the risk of ischemic stroke: a nested case-control study</style><style face="normal" font="default" size="100%">Cyclooxygenase-2 selective nonsteroidal anti-inflammatory drugs and the risk of ischemic stroke: a nested case-control study</style>