M. A. Hashem, E. A. Mahmoud, and M. F. Farag, “CLINICOPATHOLOGICAL AND IMMUNOLOGICAL EFFECTS OF USING FORMALIZED KILLED VACCINE ALONE OR IN COMBINATION WITH PROPOLIS AGAINST Pasteurella multocida CHALLENGE IN RABBITS”, SVR, vol. 55, no. 20-Suppl, pp. 59–71, Nov. 2018.