Validation of a portable tympanometer for use in primary care.


OBJECTIVE to determine the accuracy of a handheld, portable tympanometer, the microtymp, in comparison with a reference instrument, the AR 85 tympanometer, and with the gold standard: presence or absence of middle-ear fluid. DESIGN comparison of results from the microtymp with results from the reference tympanometer, the AR 85 and the gold standard… (More)


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