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Polymorphisms in the human catechol-O-methyltransferase (COMT) gene have been widely studied for their role in pain and analgesia. In this study, sensitivity to potassium iontophoresis, visual analog scale measurements for fixed twofold pain threshold stimulation and pain threshold changes induced by transcutaneous electrical acupoint stimulation (TEAS)(More)
BACKGROUND Vitamin D receptor (VDR) FokI polymorphism has been reported to influence the risk of spinal diseases. However, several studies suggest inconsistent results. Therefore, we performed this analysis to reveal the accurate relationship between VDR FokI polymorphism and spinal diseases. MATERIALS AND METHODS 8 articles accord with the strict(More)
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