Frick Kevin D, Kymes Steven M, Lee Paul P, Matchar David B, Pezzullo M Lynne, Rein David B, Taylor Hugh R
Department of Health Policy and Management, Bloomberg School of Public Health, The Johns Hopkins University, Baltimore, Maryland, USA.
Invest Ophthalmol Vis Sci. 2010 Apr;51(4):1801-5. doi: 10.1167/iovs.09-4469. Epub 2010 Jan 13.