Khatun, A, K Kirtania, TZ Shima, S Ferdousi, A Shahnaz, F Yeasmin, and N Sultana. “Association of Serum Calcium and 24 Hours Urinary Excretion of Calcium in Patients of Preeclampsia”. Bangladesh Journal of Medical Biochemistry 3, no. 2 (February 15, 2013): 57–60. Accessed August 11, 2022. https://banglajol.info/index.php/BJMB/article/view/13813.