Kumar, Niraj, și colab. „A comparative study on the effect of intrathecal nalbuphine and buprenorphine as an adjuvant to 0.5% hyperbaric bupivacaine in elective infraumbilical surgeries”. Student’s Journal of Health Research Africa, vol. 5, nr. 11, noiembrie 2024, p. 5, https://doi.org/10.51168/sjhrafrica.v5i11.1812.