1. Crocodile-jaw sign

   • Muiez Bashir
   • Mohd Ilyas
   • Feroze Shaheen

   Classics in Abdominal Radiology 08 June 2018 Pages: 3534 - 3535

   

2. The collar button ulcer sign

   • Vladimir Starcevic
   • Daniel T. Myers
   • Todd R. Williams

   Classics in Abdominal Radiology 08 June 2018 Pages: 3536 - 3538