Drupal-Bibcite0<style face="normal" font="default" size="100%">Treatment of onchocerciasis with ivermectin (Province of Bururi, Burundi): parasitologic and clinical evaluation of different periodicities of treatment.</style><style face="normal" font="default" size="100%">Treatment of onchocerciasis with ivermectin (Province of Bururi, Burundi): parasitologic and clinical evaluation of different periodicities of treatment.</style>