Unno, Keiko Anti-stress Effect of Green Tea with Lowered Caffeine on Humans: A Pilot Study. [electronic resource] - Biological & pharmaceutical bulletin 2017 - 902-909 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1347-5215 Standard No.: 10.1248/bpb.b17-00141 doi Subjects--Topical Terms: AdultAmino Acids--analysisAnti-Anxiety Agents--therapeutic useCaffeine--analysisCatechin--analogs & derivativesFemaleHumansMalePilot ProjectsSalivary alpha-Amylases--analysisSingle-Blind MethodStress, Psychological--enzymologyTeaYoung Adult