Thirapatarapong, Wilawan, and Gulapar Srisawasdi. “Pancoast Tumor As a Cause of Profound Brachial Plexopathy”. Siriraj Medical Journal 62, no. 1 (July 31, 2020): 26–28. Accessed October 5, 2022. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/243643.