Abbed, Ali M., and Salma A. abbass. “Study of Alkaline Phosphatase Activity and Calcium Levels With Follow of Glucose in Second Trimester Pregnant Women Sera”. University of Thi-Qar Journal, vol. 10, no. 1, Apr. 2019, p. 1_8, https://jutq.utq.edu.iq/index.php/main/article/view/15.