1. School of Chinese Pharmacy; Beijing University of Chinese Medicine; No. 6, Wang Jing Zhong Huan Nang Lu South Road, Wangjing, Chaoyang District Beijing 100102 China
2. Library of Beijing University of Chinese Medicine; Beijing University of Chinese Medicine; No. 11, Bei San Huan Dong Lu, Chaoyang District Beijing 100029 China
3. Department of Herbal Medicine, School of Basic Medical Sciences; Beijing University of Chinese Medicine; No. 11, Bei San Huan Dong Lu, Chaoyang District Beijing 100029 China
4. Beijing Research Institute of Chinese Medicine; Beijing University of Chinese Medicine; No. 11, Bei San Huan Dong Lu, Chaoyang District Beijing 100029 China