Drupal-Bibcite0<style face="normal" font="default" size="100%">Impact of human immunodeficiency virus on the severity of Buruli ulcer disease: results of a retrospective study in Cameroon.</style><style face="normal" font="default" size="100%">Impact of human immunodeficiency virus on the severity of Buruli ulcer disease: results of a retrospective study in Cameroon.</style>