Antioxidant and the Efficacy of Sophora secundiflora and Methoxyisoflavones in the Immune Function of Pigeons Vaccinated against Paramyxovirus Serotype-1, Abd-Alla, Howaida Ibrahim, Ibrahim Magda Tohamy, Taie Hanan Anwar Aly, Hasan Marwa Abas, and Shalaby Nagwa M. M. , Pharmacognosy Journal, September 2020, Volume 12, Issue 6, p.1276-1288, (2020)