Fig. 1From: Cold exposure induced oxidative stress and apoptosis in the myocardium by inhibiting the Nrf2-Keap1 signaling pathwayPhysiological changes of the mice under cold exposure. a Body weight. b Ratio of LV weight to body weight. c: Ratio of lung weight to body weight. d LV ejection fraction. e LV fraction shortening. f LVPWS of body weight. g LVPWD of body weight. h LV dP/dtmax. (i) LV dP/dtmin. Data are mean ± SD. * p < 0.05, compared to control groupBack to article page