00349nas a2200121 4500000000100000008004100001260003800042100001400080700001300094700001500107245004800122856005700170 2004 d bWorld Health OrganizationaGeneva1 aKaplan W.1 aLaing R.1 aNeal Bruce00aPriority medicines for Europe and the world uhttp://mednet3.who.int/prioritymeds/report/index.htm