Introduction in diseases of ear, nose and throat: Part 1

(BQ) Part 1 of the document Introduction in diseases of ear, nose and throat has contents: Anatomy and physiology of ear, anatomy and physiology of nose and paranasal sinuses, anatomy and physiology of oral cavity, pharynx and esophagus, anatomy and physiology of larynx and tracheobronchial tree,... and other contents. Invite you to refer.