Drupal-Bibcite0<style face="normal" font="default" size="100%">Efficacy of handwashing with soap and nail clipping on intestinal parasitic infections in school-aged children: A factorial cluster randomized controlled trial.</style><style face="normal" font="default" size="100%">Efficacy of handwashing with soap and nail clipping on intestinal parasitic infections in school-aged children: A factorial cluster randomized controlled trial.</style>