00724nam a2200169Ia 450000500170000000800410001703500090005804100080006708200120007510000300008724502850011726000390040230000070044150000090044850500570045765000400051420260808125528.0260808s9999||||xx |||||||||||||| ||und|| a7201 aENG a616.995 aWorld Health Organization 0aMonitoring helminth control programmesbguidelines for monitoring the impact of control programmes aimed at reducing morbidity caused by soil-transmitted helminths and schistosomes, with particular reference to school-age children : a guide for managers of control programmes (ii) aGenevabWorld Health Oraganization a57 aGift aWHO, international health, pathology, global disease aWHObPathology -- Internal medicine