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Zhang Y, Zhang Y, Guo S, Huang W.Zhang Y, et al.Int J Pharm. 2009 Mar 18;369(1-2):19-23. doi: 10.1016/j.ijpharm.2008.10.032. Epub 2008 Nov 7.Int J Pharm. 2009.PMID: 19041382
Lei L, Liu X, Guo S, Tang M, Cheng L, Tian L.Lei L, et al.J Control Release. 2010 Aug 17;146(1):45-53. doi: 10.1016/j.jconrel.2010.05.017. Epub 2010 May 23.J Control Release. 2010.PMID: 20566400
Tang M, Hou J, Lei L, Liu X, Guo S, Wang Z, Chen K.Tang M, et al.Int J Pharm. 2010 Nov 15;400(1-2):66-73. doi: 10.1016/j.ijpharm.2010.08.031. Epub 2010 Sep 8.Int J Pharm. 2010.PMID: 20804834
Liu X, Lei L, Hou JW, Tang MF, Guo SR, Wang ZM, Chen KM.Liu X, et al. Among authors: guo sr.J Mater Sci Mater Med. 2011 Feb;22(2):327-37. doi: 10.1007/s10856-010-4213-3. Epub 2011 Jan 8.J Mater Sci Mater Med. 2011.PMID: 21221735
Lei L, Guo SR, Chen WL, Rong HJ, Lu F.Lei L, et al. Among authors: guo sr.Expert Opin Drug Deliv. 2011 Jun;8(6):813-31. doi: 10.1517/17425247.2011.572068. Epub 2011 May 6.Expert Opin Drug Deliv. 2011.PMID: 21548713Review.