scientific article published in March 2007
author: Mahamadou A. Thera, David L. Smith, Ogobara K. Doumbo, Christopher V Plowe, Alassane Dicko, Abdoulaye A. Djimde, Drissa Coulibaly, Dapa A Diallo, Kirsten E Lyke, Amed Ouattara, Abdoulaye K Kone, Ando B Guindo, Paul S Sehdev