Park, S., Hee Han, M., Hoon Sung, M., Kim, I., Hyun Kim, K., Hyun Chang, K., & Chung Han, M. (2000). Neck Infection Associated with Pyriform Sinus Fistula: Imaging Findings. AJNR Am J Neuroradiol.

Park, Sun-Won, Moon Hee Han, Myung Hoon Sung, In-One Kim, Kwang Hyun Kim, Kee Hyun Chang, et Man Chung Han. "Neck Infection Associated With Pyriform Sinus Fistula: Imaging Findings." AJNR Am J Neuroradiol 2000.

Park, Sun-Won, et al. "Neck Infection Associated With Pyriform Sinus Fistula: Imaging Findings." AJNR Am J Neuroradiol 2000.