Drupal-Bibcite0<style face="normal" font="default" size="100%">Prevention of pulmonary embolism and deep vein thrombosis with low dose aspirin: the Pulmonary Embolism Prevention (PEP) Trial</style><style face="normal" font="default" size="100%">Prevention of pulmonary embolism and deep vein thrombosis with low dose aspirin: the Pulmonary Embolism Prevention (PEP) Trial</style>