Abstract
References
1.
Benedict
W.
(1949 ) Trans. Amer. Acad. Ophthal. , 54 , 26 .
2.
Duke-Elder
W. S.
(1952 ) Textbook of Ophthalmology.
London ; Vol. 5 .
3.
Foster
J.
(1948 ) Trans. ophthal. Soc. U.K. , 68 , 369 .
4.
Williamson-Noble
F. A.
(1954 ) Ann. R. Coll. Surg. Engl. , 15 , 46 .
5.
Wright
A. D.
(1948 ) Trans. ophthal. Soc. U.K. , 68 , 367 .