Authors: Manuel W Hetzel; Nelly Iteba; Ahmed Makemba; Christopher Mshana; Christian Lengeler; Brigit Obrist; Alexander Schulze; Rose Nathan; Angel Dillip; Sandra Alba; Iddy Mayumana; Rashid A Khatib; Joseph D Njau; Hassan Mshinda Journal: Malar J Date: 2007-06-29 Impact factor: 2.979