目的通过对广州市七星岗社区老年人群膳食结构的抽样调查，为改善其营养健康状况提供依据。
Objective to investigate the dietary pattern of the elderly in Qixinggang Community of Guangzhou City, and to provide the evidence for improving their nutritional and health status.
目的通过对广州市七星岗社区老年人群膳食结构的抽样调查，为改善其营养健康状况提供依据。
Objective to investigate the dietary pattern of the elderly in Qixinggang Community of Guangzhou City, and to provide the evidence for improving their nutritional and health status.
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