9Ruscetta MN, Palmer CV, Durrant JD, et al. Validity internal con- sistemcy, and test/retest reliability of a localization disabilities and handicaps questionnaire [ J ]. J Am Acard Audiol, 2005,16 ( 8 ) : 585-595.
10Wild V, Pfister E, Biller-Andorno N. Ethical research on the imple- mentation of DRGs in Switzerland a challenging project [ J ]. Swiss Med Wkly ,2012,142 : 136-140.