title: Psychomotor stimulant self administration as a function of dosage per injection in the rhesus monkey.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D003042:Cocaine / Q000008:administration & dosage*; D000882:Haplorhini; D007275:Injections, Intravenous; D008251:Macaca; D008774:Methylphenidate / Q000008:administration & dosage*; D010633:Phenmetrazine / Q000008:administration & dosage*; D010880:Piperidines / Q000008:administration & dosage*; D012054:Reinforcement, Psychology; D012651:Self Medication; D012653:Self Stimulation
chemical_list: D010880:Piperidines; D008774:Methylphenidate; D003042:Cocaine; D010633:Phenmetrazine