American journal of hygiene 

 - Baltimore, Md. :  Johns Hopkins University School of Hygiene and Public Health, 
 - Bimestral 
<br/><br/><label>ISSN: </label>0096-5294 
 = American journal of hygiene 
 = Am. J. Hyg. 
<br/><br/><label>Subjects--Index Terms: </label>MEDICINA