Kannisto, V. <br/><br/>
Reductions in mortality at advanced ages : Several decades of evidence from 27 countries 

<br/><br/> pp. 793-810 
<br/><br/> tbls., gráfs. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mortalidad<br/>Declinación de la Mortalidad<br/>Ancianos<br/>Paises Desarrollados