Lipnick, RL; Cotruvo, JA; Hill, RN; Bruce, RD; Stitzel, KA; Walker, AP; Chu, I; Goddard, M; Segal, L (1995). “Comparison of the up-and-down, conventional LD50, and fixed-dose acute toxicity procedures”. Food and chemical toxicology. 33 (3): 223–31. doi:10.1016/0278-6915(94)00136-C. PMID7896233.
