«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), s. 483–485. Tilgjengelig på: https://www.ojshostng.com/index.php/ajbr/article/view/1558 (åpnet: 21 mai 2026).