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Pars plana vitrectomy entry sites.
Gregor Z, Ryan SJ. Gregor Z, et al. Among authors: ryan sj. Trans Ophthalmol Soc U K (1962). 1982;102 (Pt 4):461-7. Trans Ophthalmol Soc U K (1962). 1982. PMID: 6964650
Blood-retinal barrier after blunt trauma to the eye.
Gregor Z, Ryan SJ. Gregor Z, et al. Among authors: ryan sj. Graefes Arch Clin Exp Ophthalmol. 1982;219(5):205-8. doi: 10.1007/BF00231236. Graefes Arch Clin Exp Ophthalmol. 1982. PMID: 7160626
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