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3. Multiple drug resistance in Trypanosoma vivax in the Tana River district of Kenya;Röttcher;Vet. Rec.,1985
4. Berenil (Diminazene aceturate) resistant Trypanosoma congolense in cattle under natural tsetse challenge at Kibaha, Tanzania;Mbwambo;Acta Trop.,1988
5. Efficacy of trypanocidal compounds against multiple resistant Trypanosoma brucei brucei stock in mice;Zweygarth;Parasititol. Res.,1989