De Santis, Agustina, Bruno Suhr, and Gonzalo Irizaga. “What Do We Know about the PENG Block for Hip Surgery? A Narrative Review”. Colombian Journal of Anesthesiology 52, no. 3 (April 15, 2024). Accessed July 2, 2024. https://www.revcolanest.com.co/index.php/rca/article/view/1110.