TY - GEN AU - Schaeffer,D J AU - Goehner,M AU - Grebe,E AU - Hansen,L G AU - Hankenson,K AU - Herricks,E E AU - Matheus,G AU - Miz,A AU - Reddy,R AU - Trommater,K TI - Evaluation of the "reference toxicant" addition procedure for testing the toxicity of environmental samples SN - 0007-4861 PY - 1992///0325 KW - Animals KW - Illinois KW - Planarians KW - physiology KW - Reference Standards KW - Regression Analysis KW - United States KW - United States Environmental Protection Agency KW - Water Pollutants, Chemical KW - toxicity N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1007/BF01700943 ER -