Melatonin metabolite levels in workers exposed to 60-Hz magnetic fields: work in substations and with 3-phase conductors

Burch JB, Reif JS, Noonan CW, Yost MG (2000). Melatonin metabolite levels in workers exposed to 60-Hz magnetic fields: work in substations and with 3-phase conductors. Journal of Occupational and Environmental Medicine.