TY - Journal of Integrative Medicine A1 - Ying Guo, Xiu-min Sun T1 - Clinical observation on Biyan Qingdu Granule and ambroxol hydrochloride in treating secretory otitis media Y1 - 2004-07-20 JF - Journal of Integrative Medicine JO - Journal of Integrative Medicine SP - 277 EP - 277 VL - 2 IS - 4 UR - http://www.jcimjournal.com N1 - 10.3736/jcim20040413 ER -