目的：探讨阿尔茨海默病（AD）与线粒体的细胞色素氧化酶亚基Ⅲ（COX3）和辅酶Ⅱ（ND2）基因突变的关联性。方法：采用聚合酶链反应-限制性片段长度......

[目的]分析油松群体等位基因酶的遗传变异,研究油松天然林群体变异与地理因素之间的关系,为山西省油松基因资源的利用及遗传改良提......

As an epidermal growth factor receptor(EGFR)tyrosine kinase lung cancer-targeted drug,gefitinib has been widely applied ......