Fleckenstein Monika, Charbel Issa Peter, Helb Hans-Martin, Schmitz-Valckenberg Steffen, Scholl Hendrik P N, Holz Frank G
Department of Ophthalmology, University of Bonn, Bonn, Germany.
Arch Ophthalmol. 2008 Oct;126(10):1461-3. doi: 10.1001/archopht.126.10.1461.