Purchase this article with an account.
or
Invest. Ophthalmol. Vis. Sci.. 1990; 31(5):805-809.
Invest. Ophthalmol. Vis. Sci.. 1989; 30(2):304-309.
Invest. Ophthalmol. Vis. Sci.. 1989; 30(2):310-315.
This PDF is available to Subscribers Only