00742cam a2200193 i 45000010008000000030008000080050017000160080041000330100017000740200015000910400027001060820016001331100077001492450154002262600041003803000036004215040041004576500050004981779719BD-DhUL20190226103612.0770126s1985    nyua         i100 0 eng    a   77351279   a9211511542  aDLCcDLCdDLCdBD-DhUL00a304.64bUNS2 aUnited Nations. Department of International Economic and Social Affairs.00aSocio- economic differentials in child mortality in developing countries / cUnited Nations. Department of International Economic and Social Affairs.  aNew York : bUnited Nations, c1985.  axi, 319 p. :  bill. ; c27 cm.  aIncludes bibliographical references. 0aChildren xMortality - Developing countries.