Fig. 3
Quebec Back Pain Disability Scale at D0, 30, 90 and 120 for patients treated by Botulinum toxin A (group A) or by placebo (group B)
Fig. 3 | BMC Musculoskeletal Disorders
Quebec Back Pain Disability Scale at D0, 30, 90 and 120 for patients treated by Botulinum toxin A (group A) or by placebo (group B)