Cuesta-Vargas AI. RELATIONSHIPS AND LEVEL OF CONTRIBUTION OF THE FUNCTIONAL VARIABLES IN THE CLINICAL PRESENTATION OF NON-SPECIFIC LOW BACK PAIN. CDF [Internet]. 2010 Apr. 30 [cited 2024 Oct. 22];39(2):08-15. Available from: http://cuestionesdefisioterapia.es/index.php/cf/article/view/262