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Griffin MF, Premakumar Y, Seifalian AM, Szarko M, Butler PE.Griffin MF, et al. Among authors: butler pe.J Mater Sci Mater Med. 2016 Jan;27(1):11. doi: 10.1007/s10856-015-5619-8. Epub 2015 Dec 16.J Mater Sci Mater Med. 2016.PMID: 26676857Free PMC article.
Lannon DA, Atkins JA, Butler PE.Lannon DA, et al. Among authors: butler pe.Microsurgery. 2001;21(8):389-93. doi: 10.1002/micr.21709.Microsurgery. 2001.PMID: 11757067