Two Transcutaneous Stimulation Techniques in Shoulder Pain: Transcutaneous Pulsed Radiofrequency (TPRF) versus Transcutaneous Electrical Nerve Stimulation (TENS): A Comparative Pil... oleh Mu-Lien Lin, Hung-Wei Chiu, Zao-Ming Shih, Po-Ying Lee, Pei-Zhi Li, Chin-Hong Guo, Yuan-Jie Luo, Shen-Chieh Lin, Kwan-Yu Lin, Yu-Ming Hsu, Angela Pang, Weiwu Pang