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T. W. Chomiak, R. E. Luginbuhl, C. F. Helmboldt, S. D. Kottaridis, Marek's Disease I. Propagation of the Connecticut A (Conn-A) Isolate in Chicks, Avian Diseases, Vol. 11, No. 4 (Nov., 1967), pp. 646-653
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Chomiak et al. (1967) studied this question.
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