Chen H.-Y.Li Y.-W.SHYH-JYE CHENSu C.-T.Hsu J.C.-Y.2020-07-072020-07-0719991018-8940https://scholars.lib.ntu.edu.tw/handle/123456789/509299Congenital pyriform sinus fistula presenting as a neck mass or acute suppurative thyroiditis in childrenjournal article2-s2.0-0032849276