Conn, H O <br/><br/>
To scope or not to scope.  [electronic resource] 

 -  The New England journal of medicine  Apr 1981 
 - 967-9 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Editorial 
<br/><br/><label>ISSN: </label>0028-4793 
<br/><br/><label>Standard No.: </label>10.1056/NEJM198104163041610  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Clinical Trials as Topic<br/>Emergencies<br/>Endoscopy<br/>Esophageal and Gastric Varices--diagnosis<br/>Esophagoscopy<br/>Female<br/>Gastrointestinal Hemorrhage--diagnosis<br/>Gastroscopy<br/>Humans<br/>Liver Cirrhosis--diagnosis<br/>Male<br/>Middle Aged