TY - JOUR T1 - Effect of polymorphisms of the MTHFR and APOE genes on susceptibility to diabetes and severity of diabetic retinopathy in Brazilian patients JO - Brazilian Journal of Medical and Biological Research A1 - Errera, F.I.V. A1 - Silva, M.E.R. A1 - Yeh, E. A1 - Maranduba, C.M.C. A1 - Folco, B. A1 - Takahashi, W. A1 - Pereira, A.C. A1 - Krieger, J.E. A1 - Passos-Bueno, M.R. SN - 0100-879X UL - 10.1590/S0100-879X2006000700005 VL - 39 Y1 - 2006 PB - Brazil ER -