Drupal-Bibcite31<style face="normal" font="default" size="100%">What is the impact of regulatory guidance and expiry of drug patents on dementia drug prescriptions in England? A trend analysis in the Clinical Practice Research Datalink</style><style face="normal" font="default" size="100%">What is the impact of regulatory guidance and expiry of drug patents on dementia drug prescriptions in England? A trend analysis in the Clinical Practice Research Datalink</style>