Ezra Daniel G, Rose Geoffrey E
Adnexal Department, Moorfields Eye Hospital and UCL Institute of Ophthalmology NIHR Biomedical Research Centre for Ophthalmology, , London, UK.
Br J Ophthalmol. 2014 Mar;98(3):287-8. doi: 10.1136/bjophthalmol-2013-303648. Epub 2013 Dec 5.