1. Aydın E, Babakurban ST, Ozgirgin ON, Ozlüoğlu LN. The relationship of homocysteine, vitamin B12, folic acid levels with vertigo. Kulak Burun Bogaz Ihtis Derg. 2012;22(4):214–8.
2. Hu BH, Cai Q, Hu Z, Patel M, Bard J, Jamison J, Coling D. Metalloproteinases and their associated genes contribute to the functional integrity and noise-induced damage in the cochlear sensory epithelium. J Neurosci. 2012;32(43):14927–41.
3. Bhargava S, Pushpakumar S, Metreveli N, Givvimani S, Tyagi SC. MMP-9 gene ablation mitigates hyperhomocystenemia-induced cognition and hearing dysfunction. Mol Biol Rep. 2014;41:4889–98.
4. Durga J, Verhoef P, Anteunis LJC, Schouten E, Kok JF. Effects of folic acid supplementation on hearing in older adults. Ann Intern Med. 2007;146:1–9.
5. Gocer C, Genc U, Eryilmaz A, Islam A, Boynuegri S, Bakir F. Homocysteine, folate and vitamin B12 concentrations in middle aged adults presenting with sensorineural hearing impairment. Int Adv Otol. 2009;5(3):340–4.