Drupal-Bibcite0<style face="normal" font="default" size="100%">Identification of IgM as the leprosy patient serum factor responsible for rapid sedimentation of formolized sheep erythrocytes.</style><style face="normal" font="default" size="100%">Identification of IgM as the leprosy patient serum factor responsible for rapid sedimentation of formolized sheep erythrocytes.</style>