Extended high efficacy of the combination sulphadoxine-pyrimethamine with artesunate in children with uncomplicated falciparum malaria on the Benin coast, West Africa oleh Coosemans Marc, Akogbeto Martin, Menten Joris, Bonou Désiré, Van Overmeir Chantal, Ahounou Daniel, Erhart Annette, Nahum Alain, Massougbodji Achille, D'Alessandro Umberto