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2. Infinity suture: modified horizontal suture for 6.5 mm incisions;Fine,1990
3. Control of corneal astigmatism in regard to multifocal lens implants;Masket,1991
4. Introduction to sutureless surgery;Ernest,1990
5. Calculation of the change in corneal astigmatism following cataract extraction;Cravy;Ophthalmic Surg,1979