Metchinikoff, Élie. <br/><br/>
The prolongation of life :  optimistic studies / 
by Élie Metchinikoff ; the English translation edited by P. Chalmers Mitchell. 
 - London :  Heinemann,  1907. 
 - xi,343p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aging