Answers are grounded in this paper and cite their sources.
(1984). A new strategy for Marek's disease immunisation ‐Bivalent vaccine. Avian Pathology: Vol. 13, No. 2, pp. 133-135.
No takes yet. Share an insight, caveat, or question.
R. L. Witter (1984) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: