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APA Citation
Jarosz, Ł., Marek, A., Grądzki, Z., Kwiecień, M., & Kalinowski, M. (2017). the effect of feed supplementation with zinc chelate and zinc sulphate on selected humoral and cell-mediated immune parameters and cytokine concentration in broiler chickens. Research in veterinary science, 112, 59–65. http://access.bl.uk/ark:/81055/vdc_100046901598.0x000062