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) NAKAMURA H.,Psychological stress-reducing effect of chocolate enriched with-aminobutyric acid (GABA) in humans : assessment of stress using heart rate variability and salivary chromogranin A,Inter J Food Sci Nutr,,,2009,22,,1-8,https://cir.nii.ac.jp/crid/1571135650992596352,