title: [Combined effect of caffeine and sidnocarb on the operative comparing of numerical symbols in man].
authors.forename: A Ia
authors.initials: AIa
authors.lastname: Kaplan
authors.forename: L M
authors.initials: LM
authors.lastname: Masumi
authors.forename: A G
authors.initials: AG
authors.lastname: Kochetova
authors.forename: R D
authors.initials: RD
authors.lastname: Platonova
mesh_terms: D000328:Adult; D002110:Caffeine / Q000494:pharmacology*; D000697:Central Nervous System Stimulants / Q000494:pharmacology*; D003069:Coffee; D004357:Drug Synergism; D006801:Humans; D008297:Male; D008568:Memory / Q000187:drug effects* / Q000502:physiology; D011930:Reaction Time / Q000187:drug effects; D013558:Sydnones / Q000494:pharmacology*; D014796:Visual Perception / Q000187:drug effects* / Q000502:physiology
chemical_list: D000697:Central Nervous System Stimulants; D003069:Coffee; D013558:Sydnones; D002110:Caffeine; C009257:sidnocarb