Quantification of ricinine and abrine in human plasma by HPLC-MS-MS: Biomarkers of exposure to ricin and abrin - Isenberg, S L; Carter, M D; Miller, M A; Noras, A I; Mojica, M A; Carlsen, S T; Bulathsinghala, C P; Thomas, J D; Johnson, R C (J Anal Toxicol, 2018)