Da Rè, Francesca, Magdalena Graczyk, Piotr Cwiertnia, Martino Cassandro, Tomasz Szwaczkowski, and Ewa Sell-Kubiak. 2018. “Explorative Statistical Analysis to Identify Factors Affecting the Survival of Pygmy Hippopotamus (Choeropsis Liberiensis) Kept in Zoological Gardens”. Belgian Journal of Zoology 148 (1). https://doi.org/10.26496/bjz.2018.15.