Mindelzun, R E <br/><br/>
The cupola sign of pneumoperitoneum in the supine patient.  [electronic resource] 

 -  Gastrointestinal radiology  1986 
 - 283-5 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0364-2356 
<br/><br/><label>Standard No.: </label>10.1007/BF02035091  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Infant<br/>Pneumoperitoneum--diagnostic imaging<br/>Posture<br/>Radiography