Authors: Mainen J Moshi; Carolien J P van den Beukel; Omar J M Hamza; Zakaria H Mbwambo; Ramadhani O S Nondo; Pax J Masimba; Mecky I N Matee; Modest C Kapingu; Frans Mikx; Paul E Verweij; André J A M van der Ven Journal: Afr J Tradit Complement Altern Med Date: 2006-11-13