Wang M.-H.HSIU-PO WANGWang H.-H.MING-SHIANG WULin J.-T.2021-01-152021-01-1520000929-6441https://www.scopus.com/inward/record.uri?eid=2-s2.0-0034077661&partnerID=40&md5=63e3f3763d47721fec0f5b263d22821bhttps://scholars.lib.ntu.edu.tw/handle/123456789/541270Perforated peptic ulcer detected by ultrasonography with air insufflationjournal article2-s2.0-0034077661