Ghose, Sandip, and Debasish Pramanick, trans. “Complex Regional Pain Syndrome Type II (causalgia) in Head Neck Region: A Case Report”. Indian Journal of Case Reports 3, no. 3 (September 27, 2017): 161–163. Accessed December 8, 2025. https://www.mansapublishers.com/ijcr/article/view/81.