1. Aamdal, J. & J. A. Fougner: Fruktbarhet i blårevavlen. (Fertility in the blue fox breeding). Nord. Vet.-Med. 1973, 25, 504–508.
2. Berge, G.: Behandling av skabb hos blårev. (Treatment of mange in the blue fox). Norsk Vet.-T. 1981, 93, 413–419.
3. Berge, G. & L Nafstad: Teratogenicity and embryotoxicity of orally administered fenchlorphos in blue foxes. Acta vet. scand. 1983, 24, 99–112.
4. Carpent, G.: Le déséquilibre hormonal gravidique et ses répercussions sur la morphologie du foetus chez le rat. (Hormonal disequilibrium during pregnancy and the repercussions on the morphology of the rat fetus). Arch. Anat. micr. 1962, 51, 459.
5. Dixon, R. L.: Toxic responses of the reproductive system. In: Casarett and Doull’s : Toxicology. The Basic Science of Poisons. J. Doull, C. D. Klaasen & M. O. Amdur (eds). 2nd Ed. 1980, p. 343.