Drupal-Bibcite0<style face="normal" font="default" size="100%">Socioeconomic, environmental, and behavioural risk factors for leprosy in North-east Brazil: results of a case-control study.</style><style face="normal" font="default" size="100%">Socioeconomic, environmental, and behavioural risk factors for leprosy in North-east Brazil: results of a case-control study.</style>