High prevalence of <it>dhfr </it>triple mutant and correlation with high rates of sulphadoxine-pyrimethamine treatment failures <it>in vivo </it>in Gabonese children oleh Profanter Katharina, Greutélaers Katja C, Gabor Julian J, Ord Rosalynn, Oyakhirome Sunny, Mombo-Ngoma Ghyslain, Greutélaers Benedikt, Kurth Florian, Lell Bertrand, Kun Jürgen FJ, Issifou Saadou, Roper Cally, Kremsner Peter G, Grobusch Martin P