Caporali, Sueli, Jens Cubick, Jasmina Catic, Anne Damsgaard, and Erik Schmidt. “The Vent Effect in Instant Ear Tips and Its Impact on the Fitting of Modern Hearing Aids”. Proceedings of the International Symposium on Auditory and Audiological Research 7 (April 23, 2020): 205-212. Accessed November 27, 2020. https://proceedings.isaar.eu/index.php/isaarproc/article/view/2019-25.