Association between cell membrane potential and breast cancer.
A.A. MARINO, I.G. Iliev, M.A. Schwalke, E. Gonzalez, K.C. Marler & C.A. Flanagan. Tumor Biol. 15: 82–89, 1994. [PDF]

On the relationship between surface electrical potentials and cancer.
A.A. MARINO, D.M. Morris & T. Keys. J. Bioelectricity 8: 279, 1989. [PDF]