TY - BOOK AU - Ginsburg,Paul B. ED - Rand Corporation ED - United States. TI - Research plan for the preferred provider organization study T2 - A Rand note PY - 1986/// CY - California PB - Rand Corporation KW - Preferred provider organizations (Medical care) KW - United States KW - Health insurance KW - Preferred Provider Organizations KW - utilization N1 - Includes bibliographical references (p.117-119) ER -