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2. P Cackett, H Htoon, D Wong and I Yeo. Haemorrhagic Pigment epithelial detachment as a predictive feature of polypoidal choroidal vasculopathy in a Chinese population Eye advance online publication, 11 September 2009
3. Cackett P, Wong D, Yeo I. A CLASSIFICATION SYSTEM FOR POLYPOIDAL CHOROIDAL VASCULOPATHY. Retina. 2009 Feb 29:187–191, 2009
4. Marcus CC Lim, Shu Yen Lee, Bobby CL Cheng, Doric WK Wong, Sze Guan Ong, Chong Lye Ang, Ian YS Yeo, Diabetic Retinopathy in Diabetics Referred to a Tertiary Centre from a Nationwide Screening Programme Ann Acad Med Singapore Sept 2008;37:753-9
5. Lee KY, Vithana EN, Mathur R, Yong VH, Yeo IY, Thalamuthu A, Lee MW, Koh AH, Lim MC, How AC, Wong DW, Aung T. Association analysis of CFH, C2, BF, and HTRA1 gene polymorphisms in Chinese patients with polypoidal choroidal vasculopathy. Invest Ophthalmol Vis Sci. 2008 Jun;49(6):2613-9.