TY - BOOK TI - Helminth control in school-age children : : a guide for managers of control programmes SN - 9789241548267 U1 - 616.962 PY - 2011///, CY - Geneva PB - World Health Organization KW - Endoparasites KW - Schistosomes KW - Outreach Activities KW - Soil-transmitted KW - Helminth Control ER -