Effects on the inner auditory system of Sprague-Dawley rats of 900 and 1800 MHZ GSM mobile phones, Parazzini, M., Galloni P, Lovisolo G., Marino Carmela, Piscitelli Marta, Tognola G., and Ravazzani P. , Proceedings of the IASTED International Conference on Biomedical Engineering, Innsbruck, p.511-514, (2004)