TY - RPRT TI - Validation of some extrapolation methods with toxicity data derived from multiple species experiments. AU - P C Okkerman AU - E J van de Plassche AU - H J Emans AU - J H Canton PY - 1993 DO - 10.1006/eesa.1993.1031 UR - https://pubmed.ncbi.nlm.nih.gov/7691527/ ID - 7691527 ER -