Source:http://linkedlifedata.com/resource/umls/id/C0242912
MSH: Drugs intended to prevent damage to the brain or spinal cord from ischemia, stroke, convulsions, or trauma. Some must be administered before the event, but others may be effective for some time after. They act by a variety of mechanisms, but often directly or indirectly minimize the damage produced by endogenous excitatory amino acids.,CSP: agents which prevent excitotoxicity or other deleterious influences in the nervous system, either physiologically or when administered before or shortly after an insult.