References
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- Richards, F., Eigege, A., Miri, E., Jinadu, M. Y. & Hopkins, D. R. (2006). Bulletin of the World Health Organization, 84, 673–676.
- World Health Organization (2006). Preventive Chemotherapy in Human Helminthiasis. Coordinated Use of Anthelminthic Drugs in Control Interventions: a Manual for Health Professionals and Programme Managers. Geneva: WHO.