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- " ", (1989 .)
- "Optima-Ophthalmology Medical Associates, Hayward, CA & Alta- Bates Medical Center" (1997 .)
- "Alcon The technique of Kolman Phacoemulsification with live surgery" (2001 .)
- " ", - (2001 .)
- "Congress of the European Society of Cataract and Refractive Surgeons" (2002 .)
- "Congress of European Society of Ophthalmology" (2003 .)
- "Alcon - training on posterior segment surgery" (2006 .)
- "Customized IOLs" (2007 .)
- "Congress of the European Society of Cataract and Refractive Surgeons" (2007 .)
- " ", . . .. (2007 .)
- " ", . . .. (2007 .)
- " ", . . .. (2008 .)
- "Artisan Pharic IOL" (2009 .)
- "Congress of the European Society of Cataract and Refractive Surgeons" (2011 .)
- "American Academy of Ophthalmology Continuing Medical Education" (2011 .)
- "Congress of the European Society of Cataract and Refractive" (2017 .)
- " ", . . .. (2017 .)
- .