The relative ability of the NOEC (no-observed-effect concentration) and ECx (the effect concentration corresponding to x-percent response) to determine benchmark toxicant concentrations. which are expected to ensure environmental safety. when there are large uncertainties in data was investigated with Monte Carlo simulations. We assumed a hypothetical true concentration-response funct... https://www.marketingjeunesse.com/product-category/spring-loaded-frizz-fighting/