@inbook{55773228, author={Betty S. Tsai, MD and Steven W. Cheung, MD}, editor={Lalwani, Anil K.}, title={Chapter 67. Implantable Middle Ear Hearing Devices}, booktitle={CURRENT Diagnosis & Treatment in Otolaryngology—Head & Neck Surgery, 3e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2012}, url={accesssurgery.mhmedical.com/content.aspx?aid=55773228} }