Challenges and innovations in U.S. health care / edited by Allen W. Imershein. Challenges and innovations in US health care. Challenges and innovations in United States health care. Imershein, Allen W. Medical care United States. Medical policy United States. Medical innovations United States. Organizational change United States. 362.15 19 CHA Includes bibliographical references and index. Boulder, Colo. : Westview Press, 1981. 1981. 1981 Text xi, 154 p. : eng Westview special studies in health care and medical science ; United States. United States. United States. United States.