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Zhao Y, Shong GQ, Guo YW.Zhao Y, et al. Among authors: guo yw.J Asian Nat Prod Res. 2003 Dec;5(4):273-7. doi: 10.1080/1028602031000111969.J Asian Nat Prod Res. 2003.PMID: 14604236
Zhao Y, Song GQ, Guo YW.Zhao Y, et al. Among authors: guo yw.J Asian Nat Prod Res. 2005 Feb;7(1):75-9. doi: 10.1080/10286020310001596006.J Asian Nat Prod Res. 2005.PMID: 15621606