L. G. Raggi, G. G. Lee, V. Sohrab-Haghighat, Infectious Bronchitis Virus Interference with Growth of Newcastle Disease Virus. I. Study of Interference in Chicken Embryos, Avian Diseases, Vol. 7, No. 1 (Feb., 1963), pp. 106-122
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Raggi et al. (1963) studied this question.