Drupal-Bibcite0<style face="normal" font="default" size="100%">Subtractive hybridization reveals a type I polyketide synthase locus specific to Mycobacterium ulcerans.</style><style face="normal" font="default" size="100%">Subtractive hybridization reveals a type I polyketide synthase locus specific to Mycobacterium ulcerans.</style>