Drupal-Bibcite0<style face="normal" font="default" size="100%">Increased serum levels of interleukin-6 in erythema nodosum leprosum suggest its use as a biomarker.</style><style face="normal" font="default" size="100%">Increased serum levels of interleukin-6 in erythema nodosum leprosum suggest its use as a biomarker.</style>