Bohne-Kjersem A, Bache N, Meier S, Nyhammer G, Roepstorff P, Saele O, Goksøyr A, Grøsvik BE. Biomarker candidate discovery in Atlantic cod (Gadus morhua) continuously exposed to North Sea produced water from egg to fry. Aquat Toxicol. 2010 Mar 01;96(4):280–9. doi: 10.1016/j.aquatox.2009.11.005. PMID: 20031237.