Self administration of nicotine with and without a food delivery schedule.
D000284:Administration, Oral; D000818:Animals; D001835:Body Weight; D005502:Food; D007275:Injections, Intravenous; D009538:Nicotine / Q000008:administration & dosage*; D051381:Rats; D012055:Reinforcement Schedule; D012646:Self Administration; D013997:Time Factors
D009538:Nicotine