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Figure 1: Mean hearing threshold levels (dB) of combined left and right ear before and after supplementation. Values are in mean ± SE, n=number of subjects, *P<0.05, $P <0.01, #P <0.001

Figure 1: Mean hearing threshold levels (dB) of combined left and right ear before and after supplementation. Values are in mean ± SE, <i>n</i>=number of subjects, *<i>P</i><0.05, <sup>$</sup><i>P</i> <0.01, <sup>#</sup><i>P</i> <0.001