Drupal-Bibcite31<style face="normal" font="default" size="100%">Duration and Magnitude of Postoperative Risk of Venous Thromboembolism after Cholecystectomy: A Population-Based Cohort Study</style><style face="normal" font="default" size="100%">Duration and Magnitude of Postoperative Risk of Venous Thromboembolism after Cholecystectomy: A Population-Based Cohort Study</style>