Kenkel P J
Mod Healthc. 1990 Oct 22;20(42):55, 57.
A skimpy payment upgrade for Medicare health maintenance organizations is prompting some HMOs to consider changes in their coverage of elderly enrollees. The consequences of the money crunch vary widely depending on where the HMOs are located.
医疗保险健康维护组织（HMO）微薄的支付升级促使一些HMO考虑改变其对老年参保人的覆盖范围。资金紧张的后果因HMO的所在地不同而有很大差异。
