Aono, J Preoperative anxiety is associated with a high incidence of problematic behavior on emergence after halothane anesthesia in boys. [electronic resource] - Acta anaesthesiologica Scandinavica May 1999 - 542-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0001-5172 Standard No.: 10.1034/j.1399-6576.1999.430509.x doi Subjects--Topical Terms: Anesthesia, InhalationAnesthetics, Inhalation--administration & dosageAnesthetics, Local--administration & dosageAnxiety--complicationsAwareness--physiologyBupivacaine--administration & dosageChildChild Behavior Disorders--etiologyChild, PreschoolCircumcision, MaleCrying--psychologyDelirium--etiologyHalothane--administration & dosageHumansIncidenceLidocaine--administration & dosageMalePsychomotor Agitation--etiology