共 50 条
- [42] WIRE SERVICE VISIBILITY OF UNITED-STATES SENATORS JOURNALISM QUARTERLY, 1968, 45 (01): : 42 - 48
- [45] HOSPITAL LIBRARIES IN THE UNITED-STATES - HISTORICAL ANTECEDENTS BULLETIN OF THE MEDICAL LIBRARY ASSOCIATION, 1985, 73 (01): : 32 - 38
- [48] MATERNAL DEATHS IN THE UNITED-STATES BY SIZE OF HOSPITAL OBSTETRICS AND GYNECOLOGY, 1985, 65 (05): : 772 - 772
- [49] THE 1987 UNITED-STATES HOSPITAL AIDS SURVEY JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1989, 262 (06): : 784 - 794
- [50] UNITED-STATES HOSPITAL COSTS IN INTERNATIONAL PERSPECTIVES ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1972, 399 (JAN): : 73 - 81