A hospital or health maintenance organization (HMO) may have a staff of administrators who handle various aspects of these duties.

一个医院或健康保健组织应该有行政管理人员，用来解决各方面问题的职责。

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The key was to force every American into a government-regulated health maintenance organization (HMO), and let the HMOs compete for patients.

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The study, which looked at 385 metropolitan statistical areas, said nearly two in five metropolitan areas had one insurance company with a combined market share of 50 percent or more among health maintenance organization (HMO), point-of-service (POS) and preferred provider organization (PPO) plans.

FORBES: AMA: 70 Percent Of U.S. Lacks Health Insurance Competition