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Systemic oxidative stress (hydrogen peroxide concentrations in plasma; µmol/ml ± S.E.M.) of lean crossbreed and Iberian purebred fetuses (black and dark-grey bars, respectively; panel A), and effects of normal/ IUGR status (black/dark-grey and light grey, respectively; panel B for lean crossbred and panel C for Iberian fetuses). Asterisk indicates significant differences (p=0.02).
