Johnson et al., 2005. J. Analyt. Toxicol., 29 (3): 149-155
Document reference
Johnson, R. C.; Temire, S. W.; Woolfitt, A. R.; Ospina, M.; Preston, K. P.; Olson, C. T.; Barr, J. R. , 2005. Quantification of ricinine in rat and human urine: a biomarker for ricin exposure. J. Analyt. Toxicol., 29 (3): 149-155