Empyema and mediastinal abscess in pyriform sinus fistula: A case report

Hai-jiang Zhou, Wen-peng Yin, Tian-fei Lan, Shu-bin Guo

World Journal of Emergency Medicine . 2019, (4): 244 -247 . DOI: 10.5847/wjem.j.1920-8642.2019.04.009