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The missing voice: impacts of health system change on low-income communities
1Community Service Society of New York, NY 10010, USA.
Abstract:
Unique problems in obtaining adequate health care face poor urban communities. These include the rising number of uninsured, abuses in the managed-care system, the unwillingness of private providers to deliver health care for either Medicaid recipients or the uninsured, and an insufficient supply of primary care physicians in minority neighborhoods. If the managed-care system is to bring decent health care to poor urban communities, it must avoid the mistakes of the past. The health care system must be community based, oriented toward primary care, sufficiently funded, and universally accessible. There needs to be better coordination between medical schools and community health requirements and better support for public health facilities. Without adequate health care for the poor, urban living will eventually become more onerous for all.
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Work Done During Volume Change
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as
Le Chatelier's Principle: Changing Temperature
To understand this phenomenon, consider the elementary reaction:

