Hallenbeck, G A <br/><br/>
The natural history of duodenal ulcer disease.  [electronic resource] 

 -  The Surgical clinics of North America  Dec 1976 
 - 1235-42 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0039-6109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Duodenal Ulcer--complications<br/>England<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Peptic Ulcer Hemorrhage<br/>Peptic Ulcer Perforation<br/>Pyloric Stenosis--etiology<br/>United States