Drupal-Bibcite0<style face="normal" font="default" size="100%">Effectiveness of rifampicin chemoprophylaxis in preventing leprosy in patient contacts: a systematic review of quantitative and qualitative evidence.</style><style face="normal" font="default" size="100%">Effectiveness of rifampicin chemoprophylaxis in preventing leprosy in patient contacts: a systematic review of quantitative and qualitative evidence.</style>