https://www.selleckchem.com/products/nvs-stg2.html
PURPOSE OF REVIEW We performed this study and associated review to examine whether a one prognostic block is sufficient to proceed with radiofrequency ablation. RECENT FINDINGS To perform one or two prognostic blocks before performing radiofrequency ablation is a very controversial issue. The practice is inconsistent and insurance companies even do not follow same regulations. We found in our research that majority of patients who receive a successful first prognostic block also receive a successful second prognostic block. We think on
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