Babapoor S, Almeida D de O, Fabis JJ, Helal ZH, Wang X, Girshick T, et al. Protective Effect of In ovo Vaccination with IBV-Spike-Recombinant DNA and Chicken Interferon as an Adjuvant. Int. J. Poult. Sci. [Internet]. 2009 Oct. 15 [cited 2025 Sep. 22];8(11):1034–1041. Available from: https://ijpsjournal.org/index.php/ijps/article/view/1299