Subba, Sangeeta, Arjun Arjun Chhetri, and Rupak Bhattarai. 2020. “Comparison of Effects of Bupivacaine and Ropivacaine in Patients Undergoing Elective Caesarean Section”. Birat Journal of Health Sciences 4 (3):859-63. https://doi.org/10.3126/bjhs.v4i3.27042.