title: A comparison of the effects of orally administered barbiturate salts and barbiturate acids on human psychomotor performance.
mesh_terms: D000143:Acids / Q000494:pharmacology*; D000328:Adult; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects; D008297:Male; D008875:Middle Aged; D009043:Motor Activity / Q000187:drug effects*; D010634:Phenobarbital / Q000494:pharmacology*; D010919:Placebos; D012492:Salts / Q000494:pharmacology*; D012631:Secobarbital / Q000494:pharmacology; D012964:Sodium / Q000494:pharmacology
chemical_list: D000143:Acids; D010919:Placebos; D012492:Salts; D012631:Secobarbital; D012964:Sodium; D010634:Phenobarbital