Fig. 7. Changes in GSH content in the skeletal muscle of untreated,
L-arginine-treated and L-NAME-treated rats after
different time periods of cold exposure (4±1°C).
*P<0.05, **P<0.01,
***P<0.001 compared with the control acclimated to room
temperature (22±1°C). ##P<0.01;
###P<0.001 compared with the untreated group at the
same time of cold acclimation.