Literature

Sørmo, E.Gravningen et al., 2005. Thyroid hormone status in gray seal (Halichoerus grypus) pups from the baltic sea and the atlantic ocean in relation to organochlorine pollutants. Environmental Toxicology and Chemistry, 24(3), pp.610 - 616. Available at: https://setac.onlinelibrary.wiley.com/doi/abs/10.1897/04-017R.1.

Sørmo, E.G. et al., 2003. Polychlorinated biphenyls and organochlorine pesticides in baltic and atlantic gray seal (Halichoerus grypus) pups. Environmental Toxicology and Chemistry, 22(11), pp.2789 - 2799. Available at: https://setac.onlinelibrary.wiley.com/doi/abs/10.1897/02-556.