共 50 条
- [35] SPECIALTY DISTRIBUTION OF UNITED-STATES PHYSICIANS - THE INVISIBLE DRIVER OF HEALTH-CARE COSTS NEW ENGLAND JOURNAL OF MEDICINE, 1993, 328 (13): : 961 - 963
- [40] HEALTH-CARE REFORM IN THE UNITED-STATES NEW ENGLAND JOURNAL OF MEDICINE, 1995, 333 (03): : 195 - 195