1. Electrical shock hazards in the hospital environment: their causes and cures;Harpell;Can Hosp,1970
2. Electrical safety in the operating room;Buczko;Can J Anaesth,1987
3. Electrical safety in medicine;Wald,1987
4. Let-go currents and voltages;Dalziel;AIEE Trans,1956
5. Electrical incidents in a large hospital: a 42 month register;Bruner;JAAMI,1972