Chen, Wenxiang, Chunying Liu, Yongrong Yang, and Lili Tian. “The Effect of Transcutaneous Electrical Nerve Stimulation (TENS) on Pain Control and Phenylethanolamine-N-Methyltransferase (PNMT) Gene Expression After Cesarean Section”. Cellular and Molecular Biology 67, no. 3 (November 25, 2021): 153–157. Accessed April 29, 2024. https://cellmolbiol.org/index.php/CMB/article/view/4017.