12. Stara WJ, Sommer A. Changing trends in intraocular lens implantation. Arch Ophthalmol 1989 ; 107 : 1441-1444.

12. Stara WJ, Sommer A. Changing trends in intraocular lens implantation. Arch Ophthalmol 1989 ; 107 : 1441-1444.