12:12

Reexamination of cholesteatoma of the external auditory canal 20220516

19:58

耳内镜对几例特殊中耳胆脂瘤的处理，20分钟

10:59

3 simple cholesteatoma clearance in the external auditory canal, 10 min

39:24

THE EPIC MASTOID CAVITY! Episode 523 (unbelievably tough!)

14:23

The cholesteatoma of the external auditory canal was cleared by otoendoscopy. No deletion, 14 minute