Affiliation: | 1. Key Laboratory of Marine Drugs, Chinese, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, P. R. China;2. Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, P. R. China;3. Institute of Cerebrovascular Diseases, Affiliated Hospital of Qingdao University Medical College, Qingdao, P. R. China |