Ultrasound-guided pulsed radiofrequency versus dry needling for pain management in chronic neck and shoulder myofascial pain syndrome patients at a tertiary hospital in China: a randomised controlled trial protocol
BMJ Open. 2023 May 24;13(5):e071422. doi: 10.1136/bmjopen-2022-071422. ABSTRACT INTRODUCTION: Myofascial pain syndrome (MPS), especially in the neck and shoulder region, is one of the most