Rivera Díaz, Roberto Carlo, Mario Andrés Arcila Lotero, María Victoria Avellaneda Suarez, Sara Echeverri Saldarriaga, and Manuela Gómez Martínez. “Botulinum Toxin for the Treatment of Chronic Pain. Review of the Evidence”. Colombian Journal of Anesthesiology 42, no. 3 (July 1, 2014): 205–213. Accessed May 4, 2024. https://www.revcolanest.com.co/index.php/rca/article/view/681.