Arnold Christin, Jentsch Susanne, Schweitzer Dietrich, Böhm Volker
Institute of Nutrition, Friedrich Schiller University Jena, Jena, Germany.
University Eye Hospital, Jena, Germany.
JAMA Ophthalmol. 2014 Feb;132(2):231-2. doi: 10.1001/jamaophthalmol.2013.6340.