Opio, Paul. Assessment of gastrointestinal parasites of common prey animals of l arge fields in Queen Elizabeth conservation area / by P. Opio. - Kampala : Makerere University, 2004. - xi, 43 p. : ill. ; 30 cm. Dissertation (B.Vet. Med.) - Makerere University, 2004. Includes bibliographic references (p. 27-28). Subjects--Topical Terms: Gastrointestinal agents