Schaeffer, D J <br/><br/>
Evaluation of the "reference toxicant" addition procedure for testing the toxicity of environmental samples.  [electronic resource] 

 -  Bulletin of environmental contamination and toxicology  Oct 1991 
 - 540-6 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0007-4861 
<br/><br/><label>Standard No.: </label>10.1007/BF01700943  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Illinois<br/>Planarians--physiology<br/>Reference Standards<br/>Regression Analysis<br/>United States<br/>United States Environmental Protection Agency<br/>Water Pollutants, Chemical--toxicity