1.
Bryant J, Roth T. Annual fecal glucocorticoid metabolite concentrations in pregnant and pseudopregnant polar bears (Ursus maritimus) in North American zoos. JZAR [Internet]. 2018 Jan. 31 [cited 2024 Apr. 19];6(1):6-11. Available from: https://www.jzar.org/jzar/article/view/259