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. 2021 Jun 24;12:650884. doi: 10.3389/fneur.2021.650884

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Copyright © 2021 Hwang, Park, Park, Lee, Oh and Suh.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Quantification of short-term normalized signal intensities (SIs) in the scala vestibuli (SV) and scala tympani (ST) after intratympanic (IT) gadolinium (Gd) injection with two different vehicles. The SI was higher when Gd-DTPA was delivered with the high-molecular-weight (hMW) hyaluronic acid (HA) vehicle compared to the conventional HA vehicle. This difference was most significant at 1 h after IT Gd injection in the apical and middle turns. The SI in the basal turn was similar between the two vehicles. *p < 0.05.