«Post-mortem Diagnosis of Management-induced Proventricular Impaction, Rickets, and Tibiotarsal Bone Rotation in a 3-month Old Ostrich (Struthio camelus)» (2021) African Journal of Biomedical Research, 24(3), сс. 483–485. доступно на: https://ojshostng.com/index.php/ajbr/article/view/1558 (просмотрено: 6 июнь 2026).