Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shin-ichi Ishii and Takashi Kumazaki,Characterization of Active Derivatives Produced by Acetamidination and Selective Autolysis of Bovine Trypsin1,The Journal of Biochemistry,0021-924X,Oxford University Press (OUP),1979-02-01,85,,581-590,https://cir.nii.ac.jp/crid/1871428067580876800,https://doi.org/10.1093/oxfordjournals.jbchem.a132367