RT Journal T1 The groove behind the palatovaginal canal: a landmark for identification of the palatovaginal canal A1 MENG Qingguo, LU Yongtian, WU Xiaoliu, LI Jianxing, SUN Huanji, ZHANG Baoying, XIE Chang PB Journal of Otolaryngology and Ophthalmology of Shandong University FD 2015-10-16 YR 2015 JF Journal of Otolaryngology and Ophthalmology of Shandong University JO Journal of Otolaryngology and Ophthalmology of Shandong University VO 29 IS 5 SP 55 DO 10.6040/j.issn.1673-3770.0.2015.124 K1 Palatovaginal canal;Vidian canal;Vomerovaginal canal;Groove behind the palatovaginal canal;Pterygopalatine fossa;Endoscopy;Multi-slice spiral computed tomography LK {http://ebhyxbwk.njournal.sdu.edu.cn/EN/article/article_1865.shtml}