目的了解试点城市不同贫困人群的疾病经济风险，为完善城市贫困人群医疗救助政策提供科学依据。
OBJECTIVE Understanding the disease economic risk of the different urban poor and improving the medical aid policy of the urban poor to provide the scientific basis.
目的了解试点城市不同贫困人群的疾病经济风险，为完善城市贫困人群医疗救助政策提供科学依据。
OBJECTIVE Understanding the disease economic risk of the different urban poor and improving the medical aid policy of the urban poor to provide the scientific basis.
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