著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) H. Nakamura and T. Takishima and T. Kometani and H. Yokogoshi,Psychological stress-reducing effect of chocolate enriched with γ-aminobutyric acid (GABA) in humans: assessment of stress using heart rate variability and salivary chromogranin A,International Journal of Food Sciences and Nutrition,0963-7486,Informa UK Limited,2009-01,60,sup5,106-113,https://cir.nii.ac.jp/crid/1361418519806852864,https://doi.org/10.1080/09637480802558508