TY - Journal of Otolaryngology and Ophthalmology of Shandong University A1 - CHEN Xiu-mei,LUAN Xin-yong,ZHANG Qing-quan T1 - Y1 - 2006-10-24 JF - Journal of Otolaryngology and Ophthalmology of Shandong University JO - Journal of Otolaryngology and Ophthalmology of Shandong University SP - 438 EP - 440 VL - 20 IS - 5 UR - http://ebhyxbwk.njournal.sdu.edu.cn N1 - ER -