F ig.1 D ot b lotting p icture of p53 and bcl-2 of retina l tis-sue of 20-w eek d iabetic rat.

图1第20周糖尿病大鼠视网膜组织p53和bcl-2 dotb lotting像。实验组为阳性反应而对照组为阴性反应。