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2. Hyperopic shift induced by high altitude after radial keratotomy. Creel DJ, Crandall AS, Swartz M. J Refract Surg; 1997; 13(4):398-400. PubMed ID: 9268942 [Abstract] [Full Text] [Related]
3. Effects of simulated high altitude on patients who have had radial keratotomy. Ng JD, White LJ, Parmley VC, Hubickey W, Carter J, Mader TH. Ophthalmology; 1996 Mar; 103(3):452-7. PubMed ID: 8600422 [Abstract] [Full Text] [Related]