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Sims JR Jr, Blumenthal RN.Sims JR Jr, et al. Among authors: blumenthal rn.J Biomed Mater Res. 1973 Nov;7(6):497-507. doi: 10.1002/jbm.820070603.J Biomed Mater Res. 1973.PMID: 4770936No abstract available.