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Ekwall, Bjorn (1999). "The In Vitro-In Vivo Evaluation, Including the Selection of a Practical Battery of Cell Tests for Prediction of Acute Lethal blood Concentrations in Humans". Toxicology in Vitro. 13 (4–5): 665–673. doi:10.1016/S0887-2333(99)00061-2. PMID20654532.