About: anti-arrhythmic agent

Premodifier: anti-arrhythmic
Head noun: agent

Same concepts
http://dbpedia.org/resource/Antiarrhythmic_agent

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
amiodarone	isap:474105563	0.426175
quinidine	isap:17358568	0.399223