title: A comparison of pentobarbital and cocaine self-administration in rhesus monkeys: effects of dose and fixed-ratio parameter.
mesh_terms: D000818:Animals; D001259:Ataxia / Q000139:chemically induced; D003042:Cocaine / Q000008:administration & dosage* / Q000494:pharmacology; D003214:Conditioning, Classical / Q000187:drug effects; D005260:Female; D000882:Haplorhini; D008297:Male; D010424:Pentobarbital / Q000008:administration & dosage* / Q000494:pharmacology; D012653:Self Stimulation; D012890:Sleep / Q000187:drug effects; D013997:Time Factors
chemical_list: D010424:Pentobarbital; D003042:Cocaine