American journal of epidemiology. 

 - Baltimore, M.D. :  School of Hygiene and Public Health of Johns Hopkins University,  1921- 
 - v. 
 - Semimonthly 
 - Vol. 1 (1921)- 
<br/><br/><label>ISSN: </label>0002-9262 
 = American journal of epidemiology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epidemiology --Periodicals.<br/>Public health--Periodicals.