[ii] Hawk C, Cambron JA, Pfefer MT: Pilot study of the effect of a limited and extended course of chiropractic care on balance, chronic pain, and dizziness in older adults. J Manipulative Physiol Ther 2009, 32:438-447
[iii] Hawk C, Khorsan R, Lisi AJ, Ferrance RJ, Evans MW: Chiropractic care for nonmusculoskeletal conditions: a systematic review with implications for whole systems research. J Altern Complement Med 2007, 13:491-512
[iv] Reid SA, Rivett DA: Manual therapy treatment of cervicogenic dizziness: a systematic review. Man Ther 2005, 10:4-13
[v] Hawk C, Pfefer M, Strunk R, Ramcharan M, Uhl N: Feasibility study of short-term effects of chiropractic manipulation on older adults with impaired balance. J Chiropr Med 2007, 6:121-131
[vi] Weiner DK, Sakamoto S, Perera S, Breuer P: Chronic low back pain in older adults: prevalence, reliability, and validity of physical examination findings. J Am Geriatr Soc 2006, 54:11-20
[vii] Bokarius AV, Bokarius V: Evidence-based review of manual therapy efficacy in treatment of chronic musculoskeletal pain. Pain Pract 2010, 10:451-458
[viii] Bronfort G, Haas M, Evans R, Leiniger B, Triano J: Effectiveness of manual therapies: the UK evidence report. Chiropr Osteopat 2010, 18:3
[ix] Carey T., Garret J., Jackman A. (1995). The outcomes and costs of care for acute low back pain among patients seen by their primary care practitioners, chiropractors and orthopaedic surgeons. N. Engl. J. Med. 333, 913–917. doi: 10.1056/NEJM199510053331406.
[x] Smith M., Stano M. (1996). Cost and recurrences of chiropractic and medical episodes of low back care. J. Manipulative Physiol. Ther. 20, 5–12.