Herbalogical Study on Traditional Chinese Drugs Haima and Hailong Phannacokiietic study of β-asarone in volatile oil from Acorns ta ta rinow ii in rabbits W E IL i-p ing, W U M ei-han Prospect of research and development for Chinese Medicinal Material Hippocampus in China Identification of 12 Species of Hailong and Haima by HPCE