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Warren PD, Sycks DG, McGrath DV, Vande Geest JP.Warren PD, et al.J Biomed Mater Res A. 2013 Dec;101(12):3382-7. doi: 10.1002/jbm.a.34641. Epub 2013 Apr 2.J Biomed Mater Res A. 2013.PMID: 23554009
Ramirez N, Richards BS, Warren PD, Williams GR.Ramirez N, et al. Among authors: warren pd.J Pediatr Orthop. 1997 Jan-Feb;17(1):109-14.J Pediatr Orthop. 1997.PMID: 8989712