Russell, P H, B McRandle, Deirdre O’Brien, and J Hau. “Immunoglobulin A in Chickens. Comparison 0ft0ta1 and immune—specific Lacrimal and Serum IgA Levels in Two Lines of Chickens Immunized With Newcastle Disease Virus”. Scandinavian Journal of Laboratory Animal Science 20, no. 3 (December 1, 1993). Accessed November 25, 2024. https://ojs.utlib.ee/index.php/SJLAS/article/view/21711.