title: Drugs of abuse and reward comparison: a brief review.
authors.affiliation: Department of Behavioral Science, Penn State College of Medicine, Hershey, PA 17033, USA.
authors.forename: P S
authors.initials: PS
authors.lastname: Grigson
mesh_terms: D000818:Animals; D013287:Illicit Drugs / Q000009:adverse effects; D051381:Rats; D011916:Rats, Inbred F344; D017207:Rats, Sprague-Dawley; D012201:Reward; D019966:Substance-Related Disorders
chemical_list: D013287:Illicit Drugs