Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) WANG Yen-Chieh and SHEN Kun-Hung and YANG Fei-Shih and YANG Stone,How does the retroperitoneal air shift to mediastinum in emphysematous pyelonephritis? Evidence from computed tomography,International journal of urology,09198172,,2006-05-01,13,5,662-663,https://cir.nii.ac.jp/crid/1570291225546988032,