Drupal-Bibcite0<style face="normal" font="default" size="100%">Effect of health information exchange on recognition of medication discrepancies is interrupted when data charges are introduced: results of a cluster-randomized controlled trial.</style><style face="normal" font="default" size="100%">Effect of health information exchange on recognition of medication discrepancies is interrupted when data charges are introduced: results of a cluster-randomized controlled trial.</style>