00906cam a2200253 a 45000010008000000030008000080050017000160080041000330100017000740200018000910400022001090430012001310500022001430820015001652450122001802600091003023000034003935000023004275040041004506500015004916500037005067100078005437100031006214191171BD-DhUL20170410170538.0821214s1982    nyua     bs  i000 0 eng    a   80041633   c$15.00 (pbk.)  aDLCcDLCdBD-DhUL  ad------00aHB1321b.L48 198200a312.2bUNL00aLevels and trends of mortality since 1950 :ba joint study by the United Nations and the World Health Organization /   aNew York :bUnited Nations, Dept. of International Economic and Social Affairs,c1982.  axii, 177 p. :bill. ;c28 cm.  a"ST/ESA/SER.A/74."  aIncludes bibliographical references. 0aMortality. 0aMortalityzDeveloping countries.2 aUnited Nations.bDepartment of International Economic and Social Affairs.2 aWorld Health Organization.