Drupal-Bibcite0<style face="normal" font="default" size="100%">Exercise therapy and low back pain: insights and proposals to improve the design, conduct, and reporting of clinical trials on the effects of therapeutic exercise in low back pain</style><style face="normal" font="default" size="100%">Exercise therapy and low back pain: insights and proposals to improve the design, conduct, and reporting of clinical trials on the effects of therapeutic exercise in low back pain</style>