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Morris Levy, Jose Romao, Marco A. Marchetti, John E. Hamer, DNA Fingerprinting with a Dispersed Repeated Sequence Resolves Pathotype Diversity in the Rice Blast Fungus, The Plant Cell, Vol. 3, No. 1 (Jan., 1991), pp. 95-102
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Levy et al. (1991) studied this question.
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