Abstract
References
1.
Taylor
E. W.
, in Osier and McCrea's System of Medicine , 1920 , v , 488 .
2.
Saundby
R.
, in Allbutt's System of Medicine , 1897 , iii .
3.
Groenouw
A.
Handbuch d. Augenheilk. , 3te Aufl. 1920 , Abt. i , 585 ; id. , Graefe-Saemisch. Handbuch d. Gesamten Augenheilk. , 1904 xi, 356.
4.
(Full references are appended to Professor Groenouw's works).