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. 2017 Mar 9;203:167–173. doi: 10.1016/j.vetmic.2017.03.010

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© 2017 Elsevier B.V. All rights reserved.

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Fig. 2 — Percentage Survival (A), gross lesions (B) and trachea ciliostasis scores (C) of 3-week-old SPF chickens inoculated via the eye drop/intranasal (ED/IN) route with IBV SD and SZ strains at 10^5.0 EID₅₀/bird. Eighteen birds were allocated to each group.