Kazibwe, Francis. The ecology of biomphalaria species and their role in the transmissi on of schistosoma mansoni at Lake Albert in Western Uganda : Francis Kazibwe. - Kampala, 2003. - xviii, 116p. : ill., col., maps ; 30 cm. Unpublished thesis (PhD., Zoology ) - Makerere University, 2003. Includes bibliographical references (p.81-98) Subjects--Topical Terms: Snails as carriers of disease.Schistosoma. Dewey Class. No.: 579.17