Umelo, Deborah Ogechi, et al. “Ultrasonographic Evaluation Of The Achilles Tendon In Patients With Type 2 Diabetes: A Dual Center Study In Port Harcourt”. The Nigerian Health Journal, vol. 21, no. 4, Jan. 2022, pp. 228-49, https://tnhjph.com/index.php/tnhj/article/view/529.