Abstract
References
1.
Ashton
N
. (1958 ) Trans. ophthal. Soc. U.K.
78 , 96 .
2.
Hogan
M J
Zimmerman
L E
. (1962 ) Ophthalmic Pathology , 2nd ed . Philadelphia & London .
3.
Lederman
M
. (1956 ) Brit. J. Ophthal.
40 , 592 .