Clinical effectiveness of Class 4 LASER therapy and therapeutic ultrasound on patients with chronic neck pain

This is a RCT that compares the clinical effectiveness of Class IV LASER Therapy and Therapeutic ultrasound in patients with chronic neck pain.本数据集对应一项随机对照试验（Randomized Controlled Trial），旨在对比第四类激光疗法（Class IV LASER Therapy）与治疗超声（Therapeutic ultrasound）对慢性颈痛患者的临床有效性。