00333nam a22001097a 450000500170000008200230001710000210004024500960006126000430015730000070020070000160020720251128143957.0  a362.1091724 JOH.N9  aTimothy Johnston  aInvesting in health development effectiveness in the health nutrition and population sector  aWashigton D C:bThe World Bank;c1999.  a71  aSusan Stout