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[PubMed] [Google Scholar] 214.Das SK, Eder S, Schauer S, Diwoky C, Temmel H, Guertl B, et al

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127 Another clinical trial in 50 patients with tinnitus, half of whom also had hearing loss, found treatment with intramuscular injections providing 100 mg vitamin B1, 100 mg vitamin B6, and 1,000 mcg vitamin B12 twice weekly led to tinnitus improvement mainly in those without hearing loss

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