AYALA GONZALEZ, A <br/><br/>
[Surgery of gastroduodenal ulcers].  [electronic resource] 

 -  Vida nueva  Oct 1949 
 - 134-60 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Peptic Ulcer