[1]
E. Sapundzhiev, M. Chervenkov, Y. Iliev, S. Mustafa, and M. Dimitrova, “MORPHOFUNCTIONAL INVESTIGATION OF BROWN BEAR (URSUS ARCTUS) STOMACH”, Tradit. Mod. Vet. Med., vol. 3, no. 2, pp. 50–54, Nov. 2018.