Drupal-Bibcite31<style face="normal" font="default" size="100%">Opioid use for noncancer pain and risk of fracture in adults: a nested case-control study using the general practice research database</style><style face="normal" font="default" size="100%">Opioid use for noncancer pain and risk of fracture in adults: a nested case-control study using the general practice research database</style>