Drupal-Bibcite0<style face="normal" font="default" size="100%">Exposure Risk for Infection and Lack of Human-to-Human Transmission of Mycobacterium ulcerans Disease, Australia.</style><style face="normal" font="default" size="100%">Exposure Risk for Infection and Lack of Human-to-Human Transmission of Mycobacterium ulcerans Disease, Australia.</style>