Shapira, Y Therapeutic time window and dose response of the beneficial effects of ketamine in experimental head injury. [electronic resource] - Stroke Aug 1994 - 1637-43 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0039-2499 Standard No.: 10.1161/01.str.25.8.1637 doi Subjects--Topical Terms: Analysis of VarianceAnimalsBrain--pathologyBrain Edema--pathologyBrain Injuries--drug therapyCerebral Hemorrhage--pathologyDose-Response Relationship, DrugKetamine--administration & dosageMaleNecrosisRatsRats, Sprague-DawleyTime FactorsTrauma Severity Indices