Effects of caffeine in man.
D002110:Caffeine / Q000008:administration & dosage / Q000494:pharmacology*; D003069:Coffee; D005260:Female; D006801:Humans; D009420:Nervous System / Q000187:drug effects*; D010919:Placebos; D013268:Stimulation, Chemical; D011795:Surveys and Questionnaires
D003069:Coffee; D010919:Placebos; D002110:Caffeine