Electrically generated silver ions: quantitative effects on bacterial and mammalian cells.
T.J. Berger, J.A. Spadaro, S.E. Chapin & R.O. BECKER. Antimicrob. Agents Chemother. 9: 357–358, 1976. [PDF]

Antibacterial effects of silver electrodes with weak direct current.
J.A. Spadaro, T.J. Berger, S.D. Barranco, S.E. Chapin & R.O. BECKER. Antimicrob. Agents Chemother. 6: 637–642, 1974. [PDF]