Benjamin, Bernard,    1910- <br/><br/>
Elements of vital statistics /  
Bernard Benjamin. 
 - London :    Allen & Unwin,    [1959] 
 - 352 p. :    ill. ;    24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Vital Statistics<br/> Medical statistics