Liu David T L, Fan Dorothy S P, Chan Wai-Man, Choi Paul C L, Gao Lei, Lam Dennis S C
Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Shatin, People's Republic of China.
J Clin Oncol. 2004 Sep 15;22(18):3830-2. doi: 10.1200/JCO.2004.10.199.