Research Center of Modernization of Traditional Chinese Medicines, Central South University, Changsha, P. R. China.|Research Center of Modernization of Traditional Chinese Medicines, Central South University, Changsha, P. R. China.|Research Center of Modernization of Traditional Chinese Medicines, Central South University, Changsha, P. R. China.|Research Center of Modernization of Traditional Chinese Medicines, Central South University, Changsha, P. R. China.