M. R. Rahman, M. A. Hannan, S. R. Afroze, S. M. Shefin, M. A. Rahim, and K. N. Uddin, “Hyperparathyroidism due to Parathyroid Adenoma with Co-existing Vitamin D Deficiency – A Case Report”, Birdem Med J, vol. 5, no. 2, pp. 104–106, Jun. 2016.