TY - BOOK ED - World Health Organization TI - Preventive chemotherapy in human helminthiasis: coordinated use of anthelminthic drugs in control interventions : a manual for health professionals and programme managers SN - 9789241547109 PY - 2007/// CY - Geneva PB - World Health Organization KW - Helminthiasis KW - prevention and control KW - Drug therapy KW - Anthelmintics KW - administration and dosage ER -