Drupal-Bibcite31<style face="normal" font="default" size="100%">Electronic health records for intervention research: a cluster randomized trial to reduce antibiotic prescribing in primary care (eCRT study)</style><style face="normal" font="default" size="100%">Electronic health records for intervention research: a cluster randomized trial to reduce antibiotic prescribing in primary care (eCRT study)</style>