TY - Journal of Integrative Medicine A1 - He Yu, Jian-ping Liu T1 - A review of international clinical trial registration Y1 - 2007-05-31 JF - Journal of Integrative Medicine JO - Journal of Integrative Medicine SP - 234 EP - 242 VL - 5 IS - 3 UR - http://www.jcimjournal.com N1 - 10.3736/jcim20070302 ER -