Effectiveness of Ultrasound-Guided Percutaneous Electrolysis for Musculoskeletal Pain: A Systematic Review and Meta-Analysis - Gomez-Chiguano, Guido F.; Navarro-Santana, Marcos J.; Cleland, Joshua A.; Arias-Buria, Jose L.; Fernandez-de-las-Penas, Cesar; Ortega-Santiago, Ricardo; Plaza-Manzano, Gustavo; (Pain Medicine, 2021)