De Luca, A., C. Squillacioti, M.E. Pero, S. Paino, E. Langella, and N. Mirabella. 2009. “Urocortin-Like Immunoreactivity in the Primary Lymphoid Organs of the Duck (Anas Platyrhynchos)”. European Journal of Histochemistry 53 (3):e20. https://doi.org/10.4081/ejh.2009.e20.