title: Comparison of barbiturate and benzodiazepine self-injection in the baboon.
mesh_terms: D000818:Animals; D001463:Barbiturates / Q000008:administration & dosage*; D001569:Benzodiazepines / Q000008:administration & dosage*; D007275:Injections, Intravenous; D010215:Papio; D012646:Self Administration
chemical_list: D001463:Barbiturates; D001569:Benzodiazepines