Estadistica sanitaria. 
  Health statistics. 

 - Washington, D.C. :    Pan American Sanitary Bureau,    1958- 
 - v. :    ill. ;    23 cm. 
 - Quarterly 
 - v. 7, no. 4 (Oct-Dec, 1958)- 
<br/><br/>  Latest issue consulted: Vol.12, no. 4, Oct-Dec, 1963 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Public health -- Staistics.
<br/><br/><label>National Library of Medicine Call No.: </label>W2 MP2   /  P9  1952