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Liver changes in SD rats at different stages. (a) Nonligated liver vessels. (b) The liver vessels were ligated for 1 h. (c) After 4 h reperfusion. It can be seen from the images that after ligation for 1 h, the ischemic part of the liver was obviously dark, and the color of the liver returned to normal after blood flow was restored for 4 h, indicating that the HIRI model was successfully established.
