Shrestha, R., Khanal, A., Paudel, N., Karki, S., & Sah, M. (2020). Intravenous paracetamol vs tramadol for pain management in patients with acute pancreatitis. Journal of Patan Academy of Health Sciences, 7(2), 64–69. https://doi.org/10.3126/jpahs.v7i2.31116