Effects of Naomaitai capsule on learning and memory and content of Ach in rat model produced by cerebral ischemia-reperfusion Protective effect of gypenosides on expression of neuronal nitric oxide synthase and nucleic acid in hippocampus of vascular dementia rat Advances on the study of Danggui Shaoyao powder Clinical Study of Effect of Tianzhi Granule on Senile Vascular Demetia Experimental study of traditional Chinese medicine in the treatment of vascular dementia Study on active ingredient and mechanism in preventing vascular dementia of Tianzhusan coming from Tujia medicine Clinical research of effect of Yishen Yangnao capsule on vascular dementia Neuroprotective effects of tanshinone ⅡA on vascular dementia in rats Effect of Naomaitai Capsule on learning and memory abilities and cerebral lipid-peroxidation in rat with vascular dementia Improving effect of Tujia Medicine Tianzhusan on learning and memory impairment caused by cerebral ischemia A clinical study on a randomized, double-blind control of Chinese medicine granules in treatment of vascular dementia Clinical Effect of Tianma-cuzhi Granules on Senile Vascular Dementia