TY  - BOOK
ED  -  United Nations. 
ED  -  World Health Organization.
TI  -  Levels and trends of mortality since 1950 : : a joint study by the United Nations and the World Health Organization
U1  -  304.64 
PY  - 1982///
CY  -  New York : 
PB  -  United Nations, Dept. of International Economic and So cial Affairs, 
KW  -  Mortality
KW  -  Developing countries
N1  -  "ST/ESA/SER.A/74.";  Includes bibliographical references
ER  -