Levels and trends of mortality since 1950: joint study by the United Nations and the World Health Organization 

 - New York  United Nations  1982 
 - 177p.  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mortality
<br/><br/><label>LC Class. No.: </label>DTU HB1321.U5