Title: Chen Z, et, al. Pharmacokinetics of caroverine in the inner ear and its effects on cochlear function after systemic and local administrations in Guinea pigs. Audiol Neurootol. Jan-Feb 2003;8(1):49-56.
Title: Denk DM, et, al. Caroverine in tinnitus treatment. A placebo-controlled blind study. Acta Otolaryngol. 1997 Nov;117(6):825-30.
Title: Ishida Y, et, al. Vasorelaxant action of caroverine fumarate (a quinoxaline derivative), a calcium-blocking agent. Br J Pharmacol. 1980;71(1):343-8.
Title: Duan M, et, al. Low-dose, long-term caroverine administration attenuates impulse noise-induced hearing loss in the rat. Acta Otolaryngol. 2006 Dec;126(11):1140-7.