Abstract

References
1.
Baum
G
. (1958 ) Arch. Ophthal . 60 , 263 (1964) In: Ultrasound as a Diagnostic and Surgical Tool. Ed.
Gordon
D
. Edinburgh; p 176 .
2.
Gordon
D
. ed (1964 ) Ultrasound as a Diagnostic and Surgical Tool . Edinburgh; pp 48 , 79 .
3.
Oksala
A
. (1959 ) Acta ophthal. (Kbh.)
37 , 132 .
4.
Sorsby
A
Leary
G A
Richards
M J
Chaston
J
. (1963 ) Vision Res . 3 , 499 .
