American journal of epidemiology 

 - Baltimore, Md. :  Johns Hopkins University School of Hygiene and Public Health, 
 - Mensual 
<br/><br/><label>ISSN: </label>0002-9262 
 = American journal of epidemiology 
 = Am. J. Epidemiol. 
<br/><br/><label>Subjects--Index Terms: </label>MEDICINA