Matos Villalobos, M <br/><br/>
[Antral ring: unusual anomaly (description of a case)].  [electronic resource] 

 -  G.E.N   
 - 153-6 p.  digital 
<br/><br/> Publication Type: Case Reports; Journal Article 
<br/><br/><label>ISSN: </label>0016-3503 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Gastroscopy<br/>Humans<br/>Male<br/>Pyloric Antrum--abnormalities<br/>Pyloric Stenosis--congenital