AbouttheventraltegmentalareamicroinjectionofMKPapersnetwork:[Keywords]morphinedependence[Abstract]AIM:TostudywhethertheblockadeofglutamateNMDAreceptorsintheventraltegmentalarea(VTA)modulatesthemorphinewithdrawalinrats.METHODS:Theeffectsof(+)MK801,microinjectedunilaterallyintotheVTA30minbeforenaloxone(2mg/kg,ip)administration,onthemorphinewithdrawalwereassessed.Morphinedependencedeve...