Roy, M., A. Rahman, H. Begum, R. Khan, N. Hasan, P. Akter, and M. K. Alam. “Serum Calcium Level in Mild and Severe Preeclampsia- A Study in Combined Military Hospital, Dhaka”. Northern International Medical College Journal, vol. 9, no. 1, Mar. 2018, pp. 255-7, doi:10.3329/nimcj.v9i1.35922.