TY - GEN AU - Slob,Wout TI - What is a practical threshold? SN - 0192-6233 PY - 2008///0110 KW - Animals KW - Carcinogens KW - toxicity KW - Dose-Response Relationship, Drug KW - Glutathione S-Transferase pi KW - analysis KW - Liver KW - drug effects KW - Quinoxalines KW - Rats N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1080/01926230701714844 ER -