Animal models of oral drug self-administration [proceedings].
D000284:Administration, Oral; D000701:Analgesics, Opioid / Q000008:administration & dosage; D000818:Animals; D006801:Humans; D008954:Models, Biological; D051381:Rats; D012646:Self Administration / Q000379:methods*; D019966:Substance-Related Disorders
D000701:Analgesics, Opioid