Random Amplified Polymorphic DNA (RAPD) polymorphism was employed to assess the genetic diversity in the elite germplasm of Dalbergia sissoo.Sixty-seven clones
目的 观察玻璃体腔注射抗血管内皮生长因子(VEGF)单克隆抗体bevacizumab(商品名Avastin)抑制激光诱导的实验性脉络膜新生血管(CNV)的效果及特点.方法 12只雄性棕色挪威(BN)大鼠平均分为bevacizumab组和对照组,每组6只.每一只大鼠随机选取1只眼为实验眼,采用半导体激光围绕其视盘激光光凝8点后,bevacizumab组和对照组玻璃体腔立即分别给予2.00 μl be