Turaka Kiran, Rapuano Christopher J, Eagle Ralph C, Abazari Azin, Hammersmith Kristin M
Cornea Service in the Department of Ophthalmology, Wills Eye Institute, Thomas Jefferson University, Philadelphia PA, USA.
Oman J Ophthalmol. 2011 May;4(2):90-1. doi: 10.4103/0974-620X.83662.