Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FUKUHARA Katsuharu and MATSUKI Yasuhiko and NANBARA Toshio,"Simultaneous Determination of Theobromine, Theophylline and Caffeine in Foods by High Performance Liquid Chromatography",Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi),00156426,Japanese Society for Food Hygiene and Safety,1985,26,2,208-212_1,https://cir.nii.ac.jp/crid/1390282679201771136,https://doi.org/10.3358/shokueishi.26.208