Cardiac pacemakers and cellular telephones.
Zuckerman
B D
BD
Shein
M J
MJ
D004574:Electromagnetic Fields / Q000009:adverse effects; D004867:Equipment Design; D004868:Equipment Failure; D005188:False Negative Reactions; D005189:False Positive Reactions; D006801:Humans; D010138:Pacemaker, Artificial; D013689:Telephone