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GABAB2 subunit gene expression in the orbital frontal cortex of depressed (n= 7) and control (n= 9) male (blue) and depressed (n= 5) and control (n= 2) female (red) subjects. Horizontal lines indicate the means for each group. The level of significance for the difference between means for the male subjects is P= 0.04, as determined by an independent samples t-test.
