Tang Johnny, Stevens Rosalind A, Okada Annabelle A, Chin Marian, Nussenblatt Robert B, Chan Chi-Chao
Retina Specialists of Boston/Harvard Medical School, Cambridge, MA 02140, USA.
Arch Ophthalmol. 2008 Jan;126(1):130-2. doi: 10.1001/archophthalmol.2007.5.