1.
Wojtusik J, Brandicourt I, Rice W, Roth T. Reproductive cycle and pregnancy monitoring in the common hippopotamus (Hippopotamus amphibius) through salivary steroid analyses and trans-abdominal ultrasonography. . JZAR [Internet]. 2020 Jul. 31 [cited 2024 Apr. 24];8(3):181-7. Available from: https://www.jzar.org/jzar/article/view/494