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Endplate Deformation Due to Open and Strutted Intervertebral Devices.
Valdevit A, Kedzierska A, Gallagher MB, Schneider JM, Ullrich PF. Valdevit A, et al. Among authors: ullrich pf. Int J Spine Surg. 2019 Dec 31;13(6):522-530. doi: 10.14444/6070. eCollection 2019 Dec. Int J Spine Surg. 2019. PMID: 31970047 Free PMC article.
Rough titanium alloys regulate osteoblast production of angiogenic factors.
Olivares-Navarrete R, Hyzy SL, Gittens RA 1st, Schneider JM, Haithcock DA, Ullrich PF, Slosar PJ, Schwartz Z, Boyan BD. Olivares-Navarrete R, et al. Among authors: ullrich pf. Spine J. 2013 Nov;13(11):1563-70. doi: 10.1016/j.spinee.2013.03.047. Epub 2013 May 14. Spine J. 2013. PMID: 23684238 Free PMC article.
Osteoblasts exhibit a more differentiated phenotype and increased bone morphogenetic protein production on titanium alloy substrates than on poly-ether-ether-ketone.
Olivares-Navarrete R, Gittens RA, Schneider JM, Hyzy SL, Haithcock DA, Ullrich PF, Schwartz Z, Boyan BD. Olivares-Navarrete R, et al. Among authors: ullrich pf. Spine J. 2012 Mar;12(3):265-72. doi: 10.1016/j.spinee.2012.02.002. Epub 2012 Mar 15. Spine J. 2012. PMID: 22424980 Free PMC article.
Back pain-related Web sites.
Ullrich PF Jr. Ullrich PF Jr. Spine (Phila Pa 1976). 2002 Jan 15;27(2):220. doi: 10.1097/00007632-200201150-00027. Spine (Phila Pa 1976). 2002. PMID: 11805675 No abstract available.