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Cheng L, Weir MD, Limkangwalmongkol P, Hack GD, Xu HH, Chen Q, Zhou X.Cheng L, et al. Among authors: weir md.J Biomed Mater Res B Appl Biomater. 2012 Apr;100(3):726-34. doi: 10.1002/jbm.b.32505. Epub 2011 Dec 21.J Biomed Mater Res B Appl Biomater. 2012.PMID: 22190356Free PMC article.