Figure 4From: Ageing of enteric neurons: oxidative stress, neurotrophic factors and antioxidant enzymesDensitometric analysis of (a) GFR α-2(a) (b) GFR α-2(b) and (c) GFR α-2 (c) RT-PCR gels standardised against β-actin expression. Levels are in arbitrary units, bars show standard errors. * p ≤ 0.05.Back to article page