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Risk factors for depression in older adults in Beijing.
Li N, Pang L, Chen G, Song X, Zhang J, Zheng X. Li N, et al. Among authors: zheng x. Can J Psychiatry. 2011 Aug;56(8):466-73. doi: 10.1177/070674371105600804. Can J Psychiatry. 2011. PMID: 21878157
Twenty-year trends in the prevalence of disability in China.
Zheng X, Chen G, Song X, Liu J, Yan L, Du W, Pang L, Zhang L, Wu J, Zhang B, Zhang J. Zheng X, et al. Bull World Health Organ. 2011 Nov 1;89(11):788-97. doi: 10.2471/BLT.11.089730. Epub 2011 Jul 14. Bull World Health Organ. 2011. PMID: 22084524 Free PMC article.
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