Purchase this article with an account.
or
Invest. Ophthalmol. Vis. Sci.. 1990; 31(1):115-124.
Invest. Ophthalmol. Vis. Sci.. 1975; 14(1):40-42.
Invest. Ophthalmol. Vis. Sci.. 1974; 13(7):543-547.
This PDF is available to Subscribers Only