Sievers, M L <br/><br/>
Letter: Peptic-ulcer factors in American Indians.  [electronic resource] 

 -  Annals of internal medicine  Jun 1976 
 - 755-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0003-4819 
<br/><br/><label>Standard No.: </label>10.7326/0003-4819-84-6-755_3  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arizona<br/>Humans<br/>Indians, North American<br/>Peptic Ulcer--epidemiology