Drupal-Bibcite0<style face="normal" font="default" size="100%">A longitudinal study of the incidence of leprosy in a hyperendemic area in Zaire, with special reference to PGL-antibody results. The Yalisombo Study Group.</style><style face="normal" font="default" size="100%">A longitudinal study of the incidence of leprosy in a hyperendemic area in Zaire, with special reference to PGL-antibody results. The Yalisombo Study Group.</style>