real ear measurement
... that real ear measurement used by audiologists involves insertion of a probe to within 6 mm of the eardrum?
... that <b id="mwCvY"><a href="./Real_ear_measurement" id="mwCvc" rel="mw:WikiLink" title="Real ear measurement">real ear measurement</a></b> used by <a href="./Audiology" id="mwCvg" rel="mw:WikiLink" title="Audiology">audiologists</a> involves insertion of a probe to within 6 mm of the <a href="./Eardrum" id="mwCvk" rel="mw:WikiLink" title="Eardrum">eardrum</a>?