SINGH, A, et al. “Application of Polymerase Chain Reaction and Restriction Endonuclease Analysis for the Detection and Differentiation of Turkey-Pox and Fowl-Pox Virus Infections”. The Indian Journal of Animal Sciences, vol. 77, no. 7, Apr. 2011, https://epubs.icar.org.in/index.php/IJAnS/article/view/5439.