006540000a22001810004500003000900000005001700009110005900026245015600085562002300241264005900264300000900323041000800332650005700340650002000397650001500417650002900432651001100461PH-MaWHO20241108112428.0  aWorld Health Organization. Regional Office for Africa.  aEssential medicines National Professional Officers planning and evaluation meeting : final report : Brazzaville, Republic of the Congo, 10-14 May 2004.  aWHO/AFRO/EDP/04.06  aBrazzaville : bWHO Regional Office for Africa,c2004.  a33p.  aeng  aPharmaceutical preparationsxSupply and distribution  aEssential drugs  aDrug costs  aNational health programs  aAfrica