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Effect of PA on the activity of marker enzymes in the brain tissue of control and experimental groups of rats. Each value is expressed as mean±S.D. for six rats in each group. Marker enzymes are expressed as MicroMoles of phosphorus liberated/mg/ protein/min. Statistical significance: *P<0.05. a: Group II compared with Group I. b: Group II compared with Group III. NS- not significant. Group IV compared with Group I.
