“WHO-TEFs” means the World Health Organisation toxic equivalence factors for human risk assessment based on the conclusions of the World Health Organization (WHO) — International Programme on Chemical Safety (IPCS) expert meeting which was held in Geneva in June 2005 (Martin van den Berg et al., The 2005 World Health Organization Re-evaluation of Human and Mammalian Toxic Equivalency Factors for Dioxins and Dioxin-like Compounds.
“TEF-OMS”, les facteurs d'équivalence toxique pour l'évaluation des risques pour les êtres humains, fondés sur les conclusions de la réunion des experts du programme international sur la sécurité des substances chimiques (PISSC) de l'OMS qui s'est tenue en juin 2005 à Genève [Martin van den Berg et al., “The 2005 World Health Organization Re-evaluation of Human and Mammalian Toxic Equivalency Factors for Dioxins and Dioxin-like Compounds”, Toxicological Sciences 93(2), 2006, p. 223].