Effect of ultrasound-guided L1/L2 paravertebral block in decreasing drug requirements during general anesthesia in patients undergoing hip surgeries; randomized controlled trial

Citation:
Mohamed, A. A., B. M. A. Elhamid, M. I. Belita, H. M. Gomaa, M. S. Ali, and M. M. Hassan, "Effect of ultrasound-guided L1/L2 paravertebral block in decreasing drug requirements during general anesthesia in patients undergoing hip surgeries; randomized controlled trial", Egyptian Journal of Anaesthesia, vol. 36, issue 1, pp. 44-49, 2020.