Results The distance from nostril to ostium of sphenoid sinus was 0 9± 8mm;
Results The distance from nostril to ostium of sphenoid sinus was 0 9± 8mm;
前鼻棘至蝶窦口的距离为 0 9± 8mm ;
Results The distance from nostril to ostium of sphenoid sinus was 0 9± 8mm;
前鼻棘至蝶窦口的距离为 0 9± 8mm ;