Pastrana, E. A., Estronza, S. and Sosa, I. J. (2011) “Vagus Nerve Stimulation for Intractable Seizures in Children: the University of Puerto Rico Experience”, Puerto Rico Health Sciences Journal, 30(3). Available at: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/516 (Accessed: 26 November 2025).