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It has been suggested that a substantial contribution to presbycusis is accumulated, low-level damage due to noise and other insults (Gates and Mills, 2005)

The significance of timing in combination therapy was brought to light by a study conducted by Eastwood et al., which showed that in a model of electrode insertion trauma, sequential delivery of dexamethasone and NAC was more efficacious than simultaneous delivery [4]

References 1.King TEJ, Schwarz MI, Brown K, Tooze JA, Colby TV, Waldron JA Jr., et al

Prioritize Safety and Proper Protocol : The effectiveness of peptide therapy depends on correct administration and high-quality sourcing

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Not included: Syringes or bacteriostatic water