Saxena Sandeep, Sinha Neha, Sharma Shashi
Department of Ophthalmology, C.S.M. Medical University (erstwhile King George's Medical University), Lucknow, India.
J Ocul Biol Dis Infor. 2012 May 22;4(4):149-53. doi: 10.1007/s12177-012-9087-9. Print 2011 Dec.