Drupal-Bibcite0<style face="normal" font="default" size="100%">Chemoprophylaxis of leprosy with rifampicin in contacts of multibacillary patients: study protocol for a randomized controlled trial.</style><style face="normal" font="default" size="100%">Chemoprophylaxis of leprosy with rifampicin in contacts of multibacillary patients: study protocol for a randomized controlled trial.</style>