![Effect of vitamin A deficiency and Newcastle disease virus infection on IgA and IgM secretion in chickens]()
Effect of vitamin A deficiency and Newcastle disease virus infection on IgA and IgM secretion in chickensRombout, Jan H. W. M.; Sijtsma, S. Reinder; West, Clive E.; Karabinis, Yannoula; Sijtsma, Oscar K. W.; Van Der Zijpp, Akke J.; Koch, Guus · British Journal of Nutrition · 1992