Oliveira, Roselaine Ponso de, et al. “Study of Hind Limb in Ostrich: Anatomical, Radiographic and Histological Considerations of Tibiotarsal Rotation”. Brazilian Journal of Veterinary Research and Animal Science, vol. 47, no. 3, June 2010, pp. 197-02, https://doi.org/10.11606/issn.1678-4456.bjvras.2010.26855.