Experience with low current silver electrode treatment of non-union.
R.O. BECKER & J.A. Spadaro. in Electrical Properties of Bone and Cartilage. C.T. Brighton, J. Black & S. Pollack, eds. Grune & Stratton, pp. 631–638, 1979. [PDF]

Clinical experiences with low intensity direct current stimulation of bone growth.
R. O. BECKER, J.A. Spadaro & A.A. Marino. Clin. Orthop. 124: 75–83, 1977. [PDF]

Silver anode treatment of chronic osteomyelitis.
D.A. Webster, J.A. Spadaro, R.O. BECKER & S. Kramer. Clin. Orthop. Relat. Res. 161: 105–114, 1981. [PDF]