Drupal-Bibcite31<style face="normal" font="default" size="100%">Exposure to bisphosphonates and risk of gastrointestinal cancers: series of nested case-control studies with QResearch and CPRD data</style><style face="normal" font="default" size="100%">Exposure to bisphosphonates and risk of gastrointestinal cancers: series of nested case-control studies with QResearch and CPRD data</style>