- Application of the comet assay for investigation of oxidative DNA damage in equine peripheral blood mononuclear cells. Marlin, D.J., Johnson, L., Kingston, D.A., Smith, N.C., Deaton, C.M., Mann, S., Heaton, P., Van Vugt, F., Saunders, K., Kydd, J., Harris, P.A. J. Nutr. (2004)