"It is the opinion of the NSMR that the routine use of
the quantitative LD50 test is not now scientifically justified . . ."
~ National Society of Medical Research
"There is really little scientific justification for the
test because reproducibility is
not good, it can even vary from day to day, and the results are
dependent on the animal strain used . . ."
~ P.S. Rogers, Managing Director,
Hazelton Laboratories Europe Ltd.
". . . it is simply not possible with all the animals in
the world to go through new chemicals in the blind way that we have at
the present time, and reach credible conclusions about the hazards to
human health . . ."
~ Joshua Lederberg, Ph.D
Nobel Prize winning geneticist
and President of Rockefeller University
Go on to The Enquiring Child
Return to 10 March 1999 Issue
Return to Newsletters
** Fair Use Notice**
This document may contain copyrighted material, use of which has not been
specifically authorized by the copyright owners. I believe that this
not-for-profit, educational use on the Web constitutes a fair use of the
copyrighted material (as provided for in section 107 of the US Copyright
Law). If you wish to use this copyrighted material for purposes of your
own that go beyond fair use, you must obtain permission from the copyright