Annals of internal medicine. 

 - Philadelphia, PA :  American College of Physicians,  1927-. 
 - v. 
 - Quincenal 
<br/><br/><label>ISSN: </label>0003-4819 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MEDICINA INTERNA--PUBLICACIONES PERIODICAS