Abbreviation for 2,5-diphenyloxazole, a liquid scintillator; preferred provider organization.
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platelet peroxidase; preferred provider option; preferred provider organization; protoporphyrin oxidase
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PPO .pē-(.)pē-'ō n, pl PPOs an organization providing health care that gives economic incentives to the individual purchaser of a health-care contract to patronize certain physicians, laboratories, and hospitals which agree to supervision and reduced fees called also preferred provider organization compare HMO
Medical dictionary. 2011.