only marginally significantP = 0.081
In the same way, mice injected with the intracellular Zn 2+ chelator DEDTC displayed significantly lower freezing than the ZnEDTA control group ( P < 0.001), the AP5 group ( P = 0.002), and the CaEDTA group, although the difference was only marginally significant in this case ( P = 0.081).