{Reference Type}: Comment {Title}: Concerning guidelines for limiting exposure to time-varying electric, magnetic, and electromagnetic fields (1 Hz-100 khz). {Author}: McRobbie D; {Journal}: Health Phys {Volume}: 100 {Issue}: 4 {Year}: Apr 2011 {Factor}: 2.922 {DOI}: 10.1097/HP.0b013e31820c2101 {Abstract}: