Han Yu-fen, Hou Li-hui, Zhou Ya-jie, Wu Xiao-Ke
Department of Obstetrics and Gynecology, the First Affiliated Hospital, Heilongjiang University of Traditional Chinese Medicine, Harbin 150040, China.
J Tradit Chin Med. 2009 Mar;29(1):64-70. doi: 10.1016/s0254-6272(09)60034-0.