Sinaptical transmission in brainstem auditory structures in patients with tinnitus treated with nimodipine: A randomized clinical trial Rubens Dantas da Silva Junior; Osmar Clayton Person; Priscila Bogar; Paula Ribeiro Lopes; Fernando Veiga Angélico Junior; Pedro Guedes Pagliusi Garrido; Marina Simões Fávaro; Nathalia Basile Mariotti;