Source:http://linkedlifedata.com/resource/umls/id/C0009950
MSH: Substances that act in the brain stem or spinal cord to produce tonic or clonic convulsions, often by removing normal inhibitory tone. They were formerly used to stimulate respiration or as antidotes to barbiturate overdose. They are now most commonly used as experimental tools.,CSP: agent that causes convulsions or seizures characterized by tonic and clonic contraction of most skeletal muscles.