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Yang TY, Chen SJ, Yang LY, Tang RB.Yang TY, et al. Among authors: chen sj.J Chin Med Assoc. 2009 Nov;72(11):611-4. doi: 10.1016/S1726-4901(09)70439-3.J Chin Med Assoc. 2009.PMID: 19948441Free article.
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