Black cumin seeds, Artemisia leaves (Artemisia sieberi), and Camellia L. plant extract as phytogenic products in broiler diets and their effects on performance, blood constituents, immunity, and cecal microbial population - Khalaji, S; Zaghari, M; Hatami, K; Hedari-Dastjerdi, S; Lotfi, L; Nazarian, H (Poult Sci, 2011)