Research on distribution of patents‘ holders for Chinese herbal compounds in treating cardiovascular and cerebrovascular based on cluster analysis Research progress in anti-cardiovascular and cerebrovascular disease activity of Citri Reticulatae Pericarpium Research progress on neuroprotective mechanism of epigallocatechin-3-gallate against cardiovascular and cerebrovascular ischemia-reperfusion injury Study on influencing factors of valid patents of compound traditional Chinese medicines for cardiovascular and cerebrovascular diseases on base of regression analysis Advances in studies on active components in Chinese materia medica modulating autophagy