Drupal-Bibcite0<style face="normal" font="default" size="100%">Presence of an index case in households of newly registered leprosy patients: experience from a leprosy referral centre in South India.</style><style face="normal" font="default" size="100%">Presence of an index case in households of newly registered leprosy patients: experience from a leprosy referral centre in South India.</style>