Russell, P.H., McRandle, B., O’Brien, D. and Hau, J. 1993. 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, 3 (Dec. 1993). DOI:https://doi.org/10.23675/sjlas.v20i3.736.