Drupal-Bibcite0<style face="normal" font="default" size="100%">Impact of health education on soil-transmitted helminth infections in schoolchildren of the Peruvian Amazon: a cluster-randomized controlled trial.</style><style face="normal" font="default" size="100%">Impact of health education on soil-transmitted helminth infections in schoolchildren of the Peruvian Amazon: a cluster-randomized controlled trial.</style>