1. ATSDR, Toxicological Profile for Diethyl phthalate (DEP), http://www.atsdr.cdc.gov/toxprofiles (accessed 11 August 2003).
2. ATSDR, Toxicological Profile for Di-n-octyl phthalate (DNOP), http://www.atsdr.cdc.gov/toxprofiles/tp95.html (accessed 11 August 2003).
3. ATSDR, Toxicological Profile for Di-n-butyl phthalate (DBP), http://www.atsdr.cdc.gov/toxprofiles (accessed 11 August 2003).
4. ATSDR, Toxicological Profile for Di(2-ethylhexyl)phthalate (DEHP), http://www.atsdr.cdc.gov/toxprofiles (accessed 11 August 2003).
5. R.M. David, R.H. McKee, J.H. Butala, R.A. Barter, M. Kayser, in: E. Bingham, B. Cohrssen, C.H. Powell (Eds.), Patty’s Toxicology, Wiley, New York, 2001, Chapter 80, p. 635.