PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10521585-0 1999 Acute injection of drugs with low addictive potential (delta(9)-tetrahydrocannabinol, 3,4-methylenedioxymethamphetamine, lysergic acid diamide) causes a much higher c-fos expression in limbic brain areas than highly addicting drugs (cocaine and morphine). N-Methyl-3,4-methylenedioxyamphetamine 86-119 Fos proto-oncogene, AP-1 transcription factor subunit Rattus norvegicus 165-170