TY - Journal of Otolaryngology and Ophthalmology of Shandong University A1 - CHEN Yu-wu,GU Dong-sheng,WANG Tian-sheng,WU Chun-ping T1 - Y1 - 2006-12-24 JF - Journal of Otolaryngology and Ophthalmology of Shandong University JO - Journal of Otolaryngology and Ophthalmology of Shandong University SP - 517 EP - 519 VL - 20 IS - 6 UR - http://ebhyxbwk.njournal.sdu.edu.cn N1 - ER -