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Ford ES, Li C, Pearson WS, Zhao G, Strine TW, Mokdad AH.Ford ES, et al. Among authors: li c.Cephalalgia. 2008 Dec;28(12):1270-6. doi: 10.1111/j.1468-2982.2008.01671.x. Epub 2008 Aug 22.Cephalalgia. 2008.PMID: 18727641
Zhao G, Ford ES, Li C, Mokdad AH.Zhao G, et al. Among authors: li c.Diabet Med. 2008 Feb;25(2):221-7. doi: 10.1111/j.1464-5491.2007.02332.x. Epub 2008 Jan 14.Diabet Med. 2008.PMID: 18201213
Zhang X, Li C, Zhang M.Zhang X, et al. Among authors: li c.Zhonghua Yi Xue Za Zhi. 1999 May;79(5):335-8.Zhonghua Yi Xue Za Zhi. 1999.PMID: 11715471Chinese.
Zhang X, Zhang W, Li C.Zhang X, et al. Among authors: li c.Zhonghua Yi Xue Za Zhi. 1994 Jun;74(6):361-3, 391.Zhonghua Yi Xue Za Zhi. 1994.PMID: 7994647Chinese.
Xu H, Xiao X, Hui Y, Zhang X, He Y, Li C, Wang B.Xu H, et al. Among authors: li c.Br J Dermatol. 2016 Apr;174(4):927-9. doi: 10.1111/bjd.14268. Epub 2016 Jan 6.Br J Dermatol. 2016.PMID: 26522179No abstract available.