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Sairyo K, Biyani A, Goel V, Leaman D, Booth R Jr, Thomas J, Gehling D, Vishnubhotla L, Long R, Ebraheim N.Sairyo K, et al.Spine (Phila Pa 1976). 2005 Dec 1;30(23):2649-56. doi: 10.1097/01.brs.0000188117.77657.ee.Spine (Phila Pa 1976). 2005.PMID: 16319751
Zhang Y, Chang C, Gehling DJ, Hemmati-Brivanlou A, Derynck R.Zhang Y, et al. Among authors: gehling dj.Proc Natl Acad Sci U S A. 2001 Jan 30;98(3):974-9. doi: 10.1073/pnas.98.3.974.Proc Natl Acad Sci U S A. 2001.PMID: 11158580Free PMC article.