Presently, the use of WCRF is restricted to clinical displays through which the pain generator is considered to own a number of sources of innervation. There's two simple approaches of WCRF. The monopolar system is employed for sacroiliac joint dysfunction, as well as the bipolar approach is useful for discogenic pain. https://www.sgvascularctr.com/navigating-pain-relief-radiofrequency-ablation-in-singapore/