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3. Some supplementary observations on the blood incubation infectivity test;Rickman;Bull. Wld. Hlth. Org.,1972
4. The differentiation of Trypanosoma rhodesiense from T.brucei by means of human serum;Hawking;Trans. R. Soc. Trop. Med. Hyg.,1973
5. The trypanocidal action of human serum and of baboon plasma;Hawking;Trans. R. Soc. Trop. Med. Hyg.,1973