Drupal-Bibcite31<style face="normal" font="default" size="100%">Oral bisphosphonates and risk of cancer of oesophagus, stomach, and colorectum: case-control analysis within a UK primary care cohort</style><style face="normal" font="default" size="100%">Oral bisphosphonates and risk of cancer of oesophagus, stomach, and colorectum: case-control analysis within a UK primary care cohort</style>