Helminth Contamination of Lettuce and Associated Risk Factors at Production Sites, Markets and Street Food Vendor Points in Urban and Peri-Urban Kumasi, Ghana

L.A. Andoh, R.C. Abaidoo, K. Obiri-Danso, P. Drechsel, F. Kondrasen and L.T. Klank

Research Journal of Microbiology 4 ( 1 ): 13 - 22 , 2009