Ernest Edward Tyzzer, The Flagellate Character and Reclassification of the Parasite Producing "Blackhead" in Turkeys: Histomonas (Gen. nov.) meleagridis (Smith), The Journal of Parasitology, Vol. 6, No. 3 (Mar., 1920), pp. 124-131
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Ernest Edward Tyzzer (1920) studied this question.
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