%0 Comment %T Concerning guidelines for limiting exposure to time-varying electric, magnetic, and electromagnetic fields (1 Hz-100 khz). %A McRobbie D %J Health Phys %V 100 %N 4 %D Apr 2011 %M 21350350 %F 2.922 %R 10.1097/HP.0b013e31820c2101 %X