"The Dose Makes the Poison". Chemistry. Chemsafe. Yale University. Archived from the original on 2011-02-02. Retrieved 2022-08-13. A substance can produce the harmful effect associated with its toxic properties only if it reaches a susceptible biological system within your body in a sufficient concentration https://web.archive.org/web/20110202055026/http://learn.caim.yale.edu/chemsafe/references/dose.html
Trautmann, Nancy (September 2005). "The Dose Makes the Poison-Or Does It?". BioScience. 55 (9). American Institute of Biological Sciences: 809–810. Archived from the original on 2005-11-17. Retrieved 3 August 2023. https://web.archive.org/web/20051117120000/http://www.actionbioscience.org/environment/trautmann.html#Primer
Trautmann, Nancy (September 2005). "The Dose Makes the Poison-Or Does It?". BioScience. 55 (9). American Institute of Biological Sciences: 809–810. Archived from the original on 2005-11-17. Retrieved 3 August 2023. https://web.archive.org/web/20051117120000/http://www.actionbioscience.org/environment/trautmann.html#Primer