Assertion: ablation's side effect | /r/CapableOf | contraindicate their usage
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text: Further, 100 patients trigeminal neuralgia who were treated by radiofrequency thermo-coagulation showed such improvement that the researchers concluded RFA is the treatment of choice for trigeminal neuralgia when medical treatment is no longer effective or the side-effects of medications contraindicate their usage (Motta et al, 1980).