The American journal of gastroenterology  

 - Baltimore, Md. :  American College of Gastroenterology,  1954- 
 - v. 
 - Monthly 
 - Vol. 21, no. 1 (Jan. 1954)- 
<br/><br/><label>ISSN: </label>0002-9270 
 = The American journal of gastroenterology 
 = AJG 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stomach--Diseases--Periodicals.<br/>Intestines--Diseases--Periodicals.