title: Intraspinal opioids in frogs: a new behavioral model for the assessment of opioid action.
authors.affiliation: Oklahoma State University, College of Osteopathic Medicine, Tulsa 74107-1898.
authors.forename: C W
authors.initials: CW
authors.lastname: Stevens
mesh_terms: D000085:Acetates; D019342:Acetic Acid; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D007267:Injections; D009294:Narcotics / Q000008:administration & dosage / Q000494:pharmacology*; D010146:Pain / Q000139:chemically induced / Q000188:drug therapy; D011894:Rana pipiens; D013116:Spinal Cord
chemical_list: D000085:Acetates; D009294:Narcotics; D019342:Acetic Acid