TY - BOOK AU - O'Grady,Kevin F. ED - United States. ED - Rand Corporation. TI - The impact of cost sharing on emergency department use T2 - A Rand note PY - 1985/// CY - California PB - Rand Corporation KW - Rand Health Insurance Experiment KW - Health insurance KW - United States KW - Hospitals KW - Emergency service N1 - Includes bibliographical references ER -