Kulsum, U., Qumruzzaman, K., Wahid, F., Begum, Z., Mannan, K., Islam, N. I., … Akhtar, N. (2025). Pregnancy with Pre-existing Heart Disease- Analysis of 50 Cases. Bangladesh Journal of Obstetrics & Gynaecology, 39(2), 98–103. https://doi.org/10.3329/bjog.v39i2.82186