DaRong Cheng, et al. “Prevalence of (high-Pathogenicity Island) HPI-Harboring Escherichia Coli in Diarrheic and Healthy Piglets”. African Journal of Pig Farming, vol. 3, no. 1, Oct. 2015, pp. 1-4, https://elixirpublishers.in/index.php/ajpf/article/view/672.