Barriga, Adriana Paola, and José Ricardo Navarro Vargas. “Clinical Case Report: Respiratory Depression Following Intrathecal Opioid Administration”. Colombian Journal of Anesthesiology 40, no. 1 (January 1, 2012): 82–87. Accessed July 27, 2024. https://www.revcolanest.com.co/index.php/rca/article/view/871.