Sayeeda, S., F. Wahid, F. Begum, and M. M. Zaman. “A Two Years Study on Pregnant Women With Cardiac Disease in a Tertiary Care Centre”. Bangladesh Journal of Obstetrics &Amp; Gynaecology, vol. 23, no. 1, Aug. 2009, pp. 8-14, doi:10.3329/bjog.v23i1.3050.