Fracture healing in rats exposed to extremely low frequency electric fields.
A.A. MARINO, J.M. Cullen, M. Reichmanis & R.O. Becker. Clin. Orthop. Relat. Res. 145: 239–244, 1979. [PDF]

Power frequency electric fields and biological stress: a cause-and-effect relationship.
A.A. MARINO, J.M. Cullen, M. Reichmanis & R.O. Becker, in Biological Effects of Extremely Low Frequency Electromagnetic Fields. Proc. 18th Hanford Life Sciences Symposium, Richland Wash., U.S. Dept. of Energy. DOE Symposium Series 50: 258–276, 1978. [PDF]