1. Neurotrophic factors in the therapy of diabetic neuropathy;Apfel;Am J Med,1999
2. How popular is LASIK surgery? Refractive Surgery News. http://www.lasiksurgerynews.com/news/How-popular-is-LASIK-surgery.shtml:CeatusMediaGroupLLC, 2010.
3. Seven-year follow-up of LASIK for moderate to severe myopia;Liu;J Refract Surg,2008
4. Patient satisfaction after LASIK for myopia;Miller;CLAO J,2001
5. LASIK for high myopia: one year experience;Marinho;Ophthalmic Surg Lasers,1996