Saxena Sandeep, Sharma Bhumika, Bhasker Shashi K
Department of Ophthalmology, C.S.M. Medical University (Erstwhile King George's Medical University), Lucknow, India.
J Ocul Biol Dis Infor. 2010 Sep;3(3):112-6. doi: 10.1007/s12177-011-9063-9. Epub 2011 Aug 10.