Abstract
References
1.
Chase
Ophthalmology. Seattle. U.S.A. , 1912 , viii , p. 322 .
2.
Cosmettatos
Archiv f. Augenheilk. Wiesb. , 1906 , lv , p. 362 .
3.
Majewski
Archiv f. Augenheilk. , 1912 , lxx , p. 349 .
4.
Ryder
Norris and Oliver's “System of Diseases of the Eye ,” 1897 , i , p. 29 .
5.
Tooke
Ophthalmology , 1910 , vi , p. 391 .