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. Author manuscript; available in PMC: 2019 Jul 5.
Published in final edited form as: J Neurochem. 2008 Apr 1;106(1):24–36. doi: 10.1111/j.1471-4159.2008.05385.x

Fig. 3.

Fig. 3

Increased levels of neuromelanin (ng/mg wet tissue) in substantia nigra of human normal subjects during aging (Zecca et al. 2002). The values are expressed as mean ± SEM of 3–5 measurements.