Action of caffeine and theophyllamine on supersensitive dopamine receptors: considerable enhancement of receptor response to treatment with DOPA and dopamine receptor agonists

MeSH terms

• Aminophylline / pharmacology*
• Animals
• Caffeine / pharmacology*
• Dihydroxyphenylalanine / pharmacology*
• Dopamine Agents / pharmacology*
• Drug Synergism
• Male
• Piribedil / pharmacology
• Rats
• Rats, Inbred Strains
• Receptors, Dopamine / drug effects*