Md Asaduzzaman, M., K. Nahar, N. Reaz, S. Khanam, S. A. Jahan, and Z. Parvin. “Comparison of Effectiveness of Menstrual Regulation by Medication up to 6 Weeks of Gestation & 7-9 Weeks of Gestation”. Ibrahim Cardiac Medical Journal, vol. 5, no. 1-2, Apr. 2017, pp. 21-26, doi:10.3329/icmj.v5i1-2.53701.