Teo, Kristeen Ye Wen, et al. “Relationship Between Virus Replication and Apoptosis Events in IgM + Cells from Chicken Spleen and Bursa of Fabricius Infected With Malaysia Strain of Very Virulent Infectious Bursal Disease Virus”. Acta Scientiae Veterinariae, vol. 44, no. 1, Jan. 2016, p. 9, doi:10.22456/1679-9216.81295.