Drupal-Bibcite31<style face="normal" font="default" size="100%">Discontinuation and primary care visits in nonvalvular atrial fibrillation patients treated with apixaban or warfarin</style><style face="normal" font="default" size="100%">Discontinuation and primary care visits in nonvalvular atrial fibrillation patients treated with apixaban or warfarin</style>