Garcia-Espinosa, Gary, Stefan Clerens, Lut Arckens, Gisela F. Erf, G. Tellez, and Billy M. Hargis. 2008. “Peptides from the Bursa of Fabricius Associated With Suppression of Mitogen Stimulated DNA - Synthesis in Bursa of Fabricius Cells Belong to Intracellular Proteins ”. International Journal of Poultry Science 7 (2): 125–128. https://doi.org/10.3923/ijps.2008.125.128.