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Gao W, Wang Y, Zhang P, Wang H. Hyperhomocysteinemia and low plasma folate as risk factors for central retinal vein occlusion: a case–control study in a Chinese population. Graefe's Archive for Clinical and Experimental Ophthalmology. 2006 Mar 15;244(10):1246–9. doi: 10.1007/s00417-005-0191-4. |