The retention wire fix.
Parsonnet
V
V
D000328:Adult; D000368:Aged; D004567:Electrodes, Implanted; D004867:Equipment Design; D004868:Equipment Failure; D005260:Female; D006323:Heart Arrest / Q000209:etiology; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D006974:Hypertension, Malignant / Q000209:etiology; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial