(Q46228923)
Statements
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Morning-to-evening change in refraction, corneal curvature, and visual acuity 11 years after radial keratotomy in the prospective evaluation of radial keratotomy study. The PERK Study Group (English)
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McDonnell PJ
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Nizam A
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Lynn MJ
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Waring GO 3rd
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1 February 1996
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103
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2
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233-239
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