TY - BOOK AU - Kosecoff,Jacqueline B. ED - Research and Development Corporation, ED - United States. TI - The appropriateness of using a medical procedure: is information in the medical record valid? T2 - A Rand note PY - 1991/// CY - Santa Monica, California PB - Rand Corporation KW - Medical records KW - Evaluation KW - Coronary arteries KW - Radiography N1 - Includes bibliographical references ER -