Objective To investigate the angiogenesis of rhVEGF in the free transplanted tissues,such as flaps,grafts and free autologous pearl fat grafts in rats.

• 目的:研究重组人血管内皮生长因子(VEGF)基因对游离皮瓣、皮片及游离颗粒脂肪等移植物血管形成的作用。