YJ, L., IP, M., & MS, K. (2007). Protective efficacy of live Salmonella gallinarum 9R vaccine in commercial layer flocks. Avian pathology : journal of the W.V.P.A, 36(6), 495. https://doi.org/10.1080/03079450701691278
Chicago Style (17th ed.) CitationYJ, Lee, Mo IP, and Kang MS. "Protective Efficacy of Live Salmonella Gallinarum 9R Vaccine in Commercial Layer Flocks." Avian Pathology : Journal of the W.V.P.A 36, no. 6 (2007): 495. https://doi.org/10.1080/03079450701691278.
MLA (9th ed.) CitationYJ, Lee, et al. "Protective Efficacy of Live Salmonella Gallinarum 9R Vaccine in Commercial Layer Flocks." Avian Pathology : Journal of the W.V.P.A, vol. 36, no. 6, 2007, p. 495, https://doi.org/10.1080/03079450701691278.
Warning: These citations may not always be 100% accurate.