Objective To investigate the relationship between the plasminogen activator inhibitor 1(PAI 1) promotor region gene polymorphism and cerebral stroke.
目的探讨纤溶酶原激活物抑制物- 1（ PAI- 1）启动子区基因多态性与脑卒中的关系。
2
The main methods used, or under investigation, for production of rumen gene engineering bacteria are:gene deletion technique, gene recombination technique and the application of promotor.