B. B. Albert, J. G. Derraik, D. Cameron-Smith, P. L. Hofman, S. Tumanov, S. G. Villas-Boas, M. L. Garg, and W. S. Cutfield, «Fish Oil Supplements in New Zealand Are Highly Oxidised and Do Not Meet Label Content of n-3 PUFA». Scientific Reports 5 (Jan. 2015): 7928.