#Fisher, M (2002) Endoparasites in the dog and cat: 2. Protozoa. ''In Practice'', '''24(3)''', 146-153.
#Fisher, M (2002) Endoparasites in the dog and cat: 2. Protozoa. ''In Practice'', '''24(3)''', 146-153.
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#Quinn, P J and McCraw, B M (1972) Current status of toxoplamsa and toxoplasmosis: A review. '' The Canadian Veterinary Journal'', '''13(11)''', 247-262.