005370000a22001810004500003000900000005001700009110008300026245005300109562002100162264004900183300000800232040001100240041000800251500000600259650004500265650002600310650001900336PH-MaWHO20241108112656.0  aWorld Health Organization. Department of Essential Drugs and Medicines Policy.  aEssential medicines : biennial report 2006-2007.  aWHO/PSM/TCM/2008  aGeneva : bWorld Health Organization,c2008.  a8p.  aWHOLIS  aeng  a2  aEssential drugsxSupply and distribution  aOrganizational policy  aAnnual reports