011200000a22003130004500003000900000005001700009020001800026100003100044264006600075700002200141700002000163700002600183245015700209300000900366500017100375041000800546650002200554650002200576650001500598650005700613650003000670650002200700651001400722650001000736650001300746650001500759650001400774651001800788PH-MaWHO20241108112335.0 a92-75-12353-5 aZerda, Alvaro... [et. al.] aWashington, D.C. : bPan American Health Organization,c2002. aVel_squez, Germ_n aTobar, Federica aEnrique Vargas, Jorge aHealth insurance systems and access to medicines : case studies from Argentina, Chile, Colombia, Costa Rica, Guatemala and the United States of America. a92p. aPublished jointly by the World Health Organization Drug Action Programme and the Pan American Health Organization Division of Health Systems and Services Development. aeng aInsurance, Health aFinancing, Health aDrug costs aPharmaceutical preparationsxSupply and distribution aDrug and narcotic control aComparative study aArgentina aChile aColombia aCosta Rica aGuatemala aUnited States