A randomized double-blind placebo-controlled study adding high dose vitamin D to analgesic regimens in patients with musculoskeletal pain. – PubMed – NCBI
Upper cervical and upper thoracic manipulation versus mobilization and exercise in patients with cervicogenic headache
Dose-response and efficacy of spinal manipulation for care of chronic low back pain: a randomized controlled trial. – PubMed – NCBI
Regional Supply of Chiropractic Care and Visits to Primary Care Physicians for Back and Neck Pain. – PubMed – NCBI