title: Did experimenter bias conceal the efficacy of spinal opioids in previous studies with the spinal nerve ligation model of neuropathic pain?
authors.forename: James C
authors.initials: JC
authors.lastname: Eisenach
authors.forename: Mark D
authors.initials: MD
authors.lastname: Lindner
mesh_terms: D000818:Animals; D015982:Bias; D004195:Disease Models, Animal; D007278:Injections, Spinal; D008026:Ligation; D009020:Morphine / Q000008:administration & dosage*; D010146:Pain / Q000188:drug therapy*; D051381:Rats; D013127:Spinal Nerves / Q000293:injuries
chemical_list: D009020:Morphine