Clark, W M Randomized trial of Cervene, a kappa receptor-selective opioid antagonist, in acute ischemic stroke. [electronic resource] - Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association - 35-40 p. digital Publication Type: Journal Article ISSN: 1052-3057 Standard No.: 10.1016/s1052-3057(96)80024-3 doi