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Willie BM, Bloebaum RD, Bireley WR, Bachus KN, Hofmann AA.Willie BM, et al. Among authors: bireley wr.J Biomed Mater Res A. 2004 Jun 1;69(3):567-76. doi: 10.1002/jbm.a.30038.J Biomed Mater Res A. 2004.PMID: 15127404