Monge, E <br/><br/>
Gastrointestinal endoscopy and arterial oxygen desaturation in high-altitude hospitals.  [electronic resource] 

 -  The American journal of gastroenterology  Jun 1991 
 - 787 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0002-9270 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Altitude<br/>Endoscopy, Gastrointestinal<br/>Humans<br/>Oxygen--blood<br/>Peru