TY - BOOK AU - Zerda,Alvaro AU - Velasquez,German AU - Tobar,Federico AU - Vargas,Jorge Enrique TI - Health Insurance Systems and Access to Medicines: Case studies from Argentina, Chile, Colombia; Costa Rica, Guatemala and the United States of America SN - 92-75-12353-5 PY - 2002/// CY - Washington PB - Pan American Health Organization KW - Essental drugs KW - Health insurance KW - Pharmaceutical ecconomics KW - Health dinancing KW - Drug and narcotic control KW - methods KW - Health policy N1 - Includes bibliographical references ER -