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Duan J, Su S, Lv J, Yan H, Ding A.Duan J, et al.Zhongguo Zhong Yao Za Zhi. 2009 Dec;34(24):3151-7.Zhongguo Zhong Yao Za Zhi. 2009.PMID: 20352987Chinese.
Zhu M, Tang Y, Duan JA, Guo J, Guo S, Su S, Shang E, Qian D, Ding A.Zhu M, et al. Among authors: duan ja.J Sep Sci. 2010 Nov;33(21):3335-40. doi: 10.1002/jssc.201000340.J Sep Sci. 2010.PMID: 20878657
Yang NY, Zhou GS, Tang YP, Yan H, Guo S, Liu P, Duan JA, Song BS, He ZQ.Yang NY, et al. Among authors: duan ja.Fitoterapia. 2011 Jun;82(4):692-5. doi: 10.1016/j.fitote.2011.02.007. Epub 2011 Feb 25.Fitoterapia. 2011.PMID: 21356278