Petrovic, D., A. Kopitovic, I. Pericin-Starcevic, M. Vujcic, N. Dragic, O. Gouni, A. Topalidou, and S. Sekulic. “GUINEA PIG FETUS DOES NOT CHANGE ITS PRESENTATION DURING SECOND HALF OF GESTATION”. Slovenian Veterinary Research, vol. 54, no. 3, Oct. 2017, https://www.slovetres.si/index.php/SVR/article/view/298.