Parvin, Mosammat Bilkis, Kazi Sahnaz Begum, Naseem Jahan, and Hasina Sultana. 2015. “Tubal Ectopic Pregnancy After 11 Years of Bilateral Tubal Ligation”. Northern International Medical College Journal 7 (1):119-20. https://doi.org/10.3329/nimcj.v7i1.25707.