Drupal-Bibcite0<style face="normal" font="default" size="100%">Differential diagnosis of skin ulcers in a mycobacterium ulcerans endemic area: Data from a prospective study in Cameroon.</style><style face="normal" font="default" size="100%">Differential diagnosis of skin ulcers in a mycobacterium ulcerans endemic area: Data from a prospective study in Cameroon.</style>