A. Grafström

Certain photooxidized derivatives of tryptophan bind with very high affinity to the Ah receptor and are likely to be endogenous signal substances.

H. Rosenkranz, A. Rannug, E. Agurell, 1987, The Journal of biological chemistry.

Analysis of non-ortho polychlorinated biphenyls and polychlorinated naphthalenes in Swedish dioxin survey samples

B. Jansson, P. Haglund, L. Asplund, 1990 .