Statistics: \a science dealing with the collection, analysis, interpretation and presentation of masses of numerical data\ ebster国际大辞典 统计学是收集、分析、解释与呈现数据 资料的一门科学
Define定义 Vertigo is defined as a hallucination幻觉of movement. This may be a sensation of turning, spinning, falling rocking, etc Dizziness, although commonly used by the patient as a term to describe the above sensations refers to less severe and
The most important disease of the middle ear and mastoid are inflammations of various kinds and hearing loses. Tumors of the middle ear are rare. In this chapter we'l mainly discussed acute suppurative otitis media (ASOM) and chronic suppurative otitis media (CSOM)