Thapa, Narayan Bikram, and Yam Prasad Dwa. “Role of Transabdominal Ultrasound in Detection of Ectopic Pregnancy”. Journal of College of Medical Sciences-Nepal 12, no. 1 (March 31, 2016): 1–4. Accessed May 3, 2024. https://www.nepjol.info/index.php/JCMSN/article/view/14397.