P. García-Verdú and D. Pecos-Martínez, “MODIFICATION IN THE LEVELS OF ANALGESIC SUBSTANCES AFTER DRY NEEDLING TREATMENT IN CHRONIC LOW BACK PAIN”, CDF, vol. 52, no. 2, pp. 117–134, Apr. 2023, Accessed: Oct. 22, 2024. [Online]. Available: http://cuestionesdefisioterapia.es/index.php/cf/article/view/30