O'Connor K
Bus Health. 1991 Jun;9(6):30, 32-4.
Are HMOs doing all they can do to control health care costs? Or are they enjoying the best of both worlds; that is, healthy subscribers and "equal dollars"?
健康维护组织(HMOs)是否在尽其所能控制医疗保健成本?或者它们是否在两全其美,即拥有健康的参保人和“等额资金”?