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Male-female difference of mean percentage change in experimental and control rats of PDA group following lesion of PDA compared to their pre-lesion values. Lesion means the lesion making needle electrode was introduced in to the PDA and current was passed. Control means the lesion making needle electrode was introduced in to the brain but current was not passed. * Represents comparison with male experimental. * p < 0.05; ** p < 0.01; *** p < 0.001.
