Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hiroyuki Hirano and Takashi Tokuhira and Toshio Yokoi,Isolation of Free Radical Scavenger from Coptidis Rhizoma,Natural medicines = 生薬学雑誌,13403443,東京 : 日本生薬学会,1997-12,51,6,539-540,https://cir.nii.ac.jp/crid/1520572357777433088,