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Cataract surgery among Medicare beneficiaries.
Schein OD, Cassard SD, Tielsch JM, Gower EW. Schein OD, et al. Ophthalmic Epidemiol. 2012 Oct;19(5):257-64. doi: 10.3109/09286586.2012.698692. Ophthalmic Epidemiol. 2012. PMID: 22978526 Free PMC article.