Nyberg, Sue, Donald G. Vasquez, Eric Brown, Jimmy Ntelekos, Marcella Stanley, and Matthew Williams. “Traumatic Hypopharyngeal Perforation from Football Helmet Chinstrap”. Kansas Journal of Medicine 14, no. 3 (September 1, 2021): 231–233. Accessed May 4, 2024. https://journals.ku.edu/kjm/article/view/15290.