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Journal
- zhonghua yu fang yi xue za zhi [chinese journal of preventive medicine]4
- biomedical and environmental sciences : bes3
- frontiers in public health2
- journals of gerontology series a: biological sciences & medical sciences2
- ssrn electronic journal2
- the journals of gerontology: series a2
- zhongguo gonggong weisheng2
- bmc geriatrics1
- bmc oral health1