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

53:15

Earwax From Hell 17.0

12:53

Postoperative cleaning of cholesteatoma

12:42

Endoscopic clearance of middle ear cholesteatoma cavity, 12 min