Fig. 1

Flowchart diagram. CGH: Cervicogenic Headache; LBP: Low back pain; LSS: Lumbar Spinal Stenosis; LDS: Lumbar Decompression Surgery
Flowchart diagram. CGH: Cervicogenic Headache; LBP: Low back pain; LSS: Lumbar Spinal Stenosis; LDS: Lumbar Decompression Surgery