Drupal-Bibcite31<style face="normal" font="default" size="100%">The use of a large pharmacoepidemiological database to study exposure to oral corticosteroids and risk of fractures: validation of study population and results</style><style face="normal" font="default" size="100%">The use of a large pharmacoepidemiological database to study exposure to oral corticosteroids and risk of fractures: validation of study population and results</style>