Nutritional status of the elderly in rural North China: A cross-sectional study
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2014 ◽
Vol 18
(8)
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pp. 730-736
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2017 ◽
Vol 4
(11)
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pp. 3983
2020 ◽
Vol 7
(4)
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pp. 1528
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2018 ◽
Vol 64
(5)
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pp. 18-29
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2018 ◽
Vol 7
(2)
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pp. 80
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