Abstract
References
1.
Coats
G.
, Roy. Lond. Hosp. Rep. , 1903 , xvii , 215 .
2.
Lauber
H.
, Zeitsch. f. Angenheilk. , 1909 , xxi , 494 .
3.
Seefelder
R.
, Arch. f. Ophth. , 1915 , xc , 129 .