References
- Haschke , J.M. 1975 . Specialty chemicals. An identity problem . J. Chem. Educ. , 52 : 157 – 158 .
- U.S. E.P A. (Environmental Protection Agency) . 1993 . Good Laboratory Practice Standards . 40 CFR 792
- U.S. F.D.A. (Food and Drug Administration) . 1993 . Good Laboratory Practice for Nonclinical Laboratory Studies . 21 CFR 58