PubMed ID: 22049511
Author(s): Chang JS, Oellers P, Karp CL. Peripheral corneal ring due to hypercarotenaemia in a case of nutritional supplement abuse. Br J Ophthalmol. 2012 Apr;96(4):605. doi: 10.1136/bjophthalmol-2011-300746. Epub 2011 Aug 25. PMID 22049511
Journal: The British Journal Of Ophthalmology, Volume 96, Issue 4, Apr 2012