共 50 条
- [41] INSURERS INCONSISTENT OVER HIV - UNITED-STATES BRITISH MEDICAL JOURNAL, 1993, 306 (6891): : 1496 - 1497
- [43] DOCTORS ESTIMATES OF UNITED-STATES HEALTH-CARE SPENDING NEW ENGLAND JOURNAL OF MEDICINE, 1993, 328 (16): : 1202 - 1202
- [46] PROTHROMBIN TIME PROFICIENCY TESTING IN UNITED-STATES THROMBOSIS ET DIATHESIS HAEMORRHAGICA, 1975, 33 (02): : 148 - 151
- [48] PILOT TESTING THE HABERER PROCESS IN THE UNITED-STATES JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1991, 83 (09): : 90 - 96