nasal septum,paranasal sinuses

上海交通大学耳鼻咽喉科学英文版课件 deviation of nasal septum.ppt
rhinology instruments killian nasal septum elevator/cottle nasal
nasal septum chisel
导语:鼻中隔偏曲(deviation of nasal septum)是指鼻中隔向一侧或两侧
baking varnish c- shaped round ball horseshoe ring nasal septum