Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sten-Åke Fredriksson and Albert G. Hulst and Elisabeth Artursson and Ad. L. de Jong and Calle Nilsson and Ben L. M. van Baar,Forensic Identification of Neat Ricin and of Ricin from Crude Castor Bean Extracts by Mass Spectrometry,Analytical Chemistry,0003-2700,American Chemical Society (ACS),2005-02-04,77,6,1545-1555,https://cir.nii.ac.jp/crid/1361418518523495424,https://doi.org/10.1021/ac048756u