Ni Nina, Johnson Timothy V, Koval Michael S, Shields Carol L
Emergency Department, Wills Eye Institute, Thomas Jefferson University, Philadelphia, Pennsylvania.
Ocular Oncology Service, Wills Eye Institute, Thomas Jefferson University, Philadelphia, Pennsylvania.
JAMA Ophthalmol. 2013 Dec;131(12):1649-51. doi: 10.1001/jamaophthalmol.2013.6211.