| Zilahatou B Tohon HIV seroprevalence surveys in Nigerien pregnant women: a comparison between 2002 and 2006Z Tohon CERMES Le Réseau International des Instituts Pasteur, Niamey, Niger Trans R Soc Trop Med Hyg 101:1101-5. 2007 Controlling schistosomiasis: significant decrease of anaemia prevalence one year after a single dose of praziquantel in Nigerian schoolchildrenZilahatou B Tohon CERMES Réseau International des Instituts Pasteur, Niamey, Niger PLoS Negl Trop Dis 2:e241. 2008 [Efficacity of praziquantel in school-aged children in a hyperendemic zone for Schistoma haematobium (Niger, 1999)]A Garba Centre de recherche sur les méningites et les schistosomoses CERMES, BP 10887, Niamey, Niger Bull Soc Pathol Exot 94:42-5. 2001 [Behaviour and HIV seroprevalence investigation in sex workers of Dirkou, Niger, 2002]Z Tohon CERMES Centre de recherches médicales et sanitaires, Ministere de la Sante Publique, BP 10887, Niamey Niger Bull Soc Pathol Exot 99:49-51. 2006
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