Singla, Sheetal, și colab. „Comparative Evaluation of Nalbuphine–Bupivacaine Versus Bupivacaine Alone in Ultrasound-Guided Axillary Brachial Plexus Block for Upper-Limb Surgery: A Cross-sectional Study”. Student’s Journal of Health Research Africa, vol. 7, nr. 3, septembrie 2026, p. 9, https://doi.org/10.51168/48qv7y61.