Wu, J. H. Y., Marchioli, R., Silletta, M. G., Masson, S., Sellke, F. W., Libby, P., Milne, G. L., Brown, N. J., Lombardi, F., Damiano, R. J., Marsala, J., Rinaldi, M., Domenech, A., Simon, C., Tavazzi, L., & Mozaffarian, D. (n.d.). oxidative Stress Biomarkers and Incidence of Postoperative Atrial Fibrillation in the Omega‐3 Fatty Acids for Prevention of Postoperative Atrial Fibrillation (OPERA) Trial. Journal of the American Heart Association, 4(5), n/a. http://access.bl.uk/ark:/81055/vdc_100044377734.0x000023