Findings:

• Antagonist
• beta-adrenergic antagonist
• adenosine antagonists
• folate antagonist
• antagonist (user)
• Just An Antagonist (user)
• narcotic
• Dub Narcotic Sound System
• International Narcotics Control Board
• National Narcotics Border Interdiction System
• Narcotics Anonymous
• Rock and the Pop Narcotic

If you Log in you could create a "narcotic antagonist" node. If you don't already have an account, you can register here.