The Neck Disability Index: State-of-the-Art, 1991-2008

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Evans, 2002, Two-year follow-up of a Randomized clinical trial of spinal manipulation and two types of exercise for patients with chronic neck pain, Spine, 27, 2383, 10.1097/00007632-200211010-00013

Giles, 2003, Chronic spinal pain—a randomized clinical trial comparing medication, acupuncture, and spinal manipulation, Spine, 28, 1490, 10.1097/01.BRS.0000077932.80560.02

Hurwitz, 2002, A randomized trial of chiropractic manipulation and mobilization for patients with neck pain: clinical outcomes from the UCLA neck-pain study, Am J Public Health, 92, 1634, 10.2105/AJPH.92.10.1634

Hurwitz, 2004, Adverse reactions to chiropractic treatment and their effects on satisfaction and clinical outcomes among patients enrolled in the UCLA neck pain study, J Manipulative Physiol Ther, 27, 16, 10.1016/j.jmpt.2003.11.002

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Muller, 2005, Long-term follow-up of a randomized clinical trial assessing the efficacy of medication, acupuncture, and spinal manipulation for chronic mechanical spinal pain syndromes, J Manip Physiol Therap, 28, 3, 10.1016/j.jmpt.2004.12.004

Giles, 1999, Chronic spinal pain syndromes: a clinical pilot trial comparing acupuncture, a nonsteroidal anti-inflammatory drug, and spinal manipulation, J Manip Physiol Therap, 22, 376, 10.1016/S0161-4754(99)70082-5

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van Schalkwyk, 2000, A clinical trial investigating the possible effect of the supine cervical rotatory manipulation and the supine lateral break manipulation in the treatment of mechanical neck pain: a pilot study, J Manip Physiol Therap, 23, 324, 10.1067/mmt.2000.106868

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Hoving, 2002, Manual therapy, physical therapy, or continued care by a general practitioner for patients with neck pain—a randomized, controlled trial, AnnIntern Med, 136, 713

Kjellman, 2002, A randomized clinical trial comparing general exercise, McKenzie treatment and a control group in patients with neck pain, J Rehabil Med, 34, 183, 10.1080/16501970213233

Ylinen, 2003, Active neck muscle training in the treatment of chronic neck pain in women—a randomized controlled trial, J Amer Med Assoc, 289, 2509, 10.1001/jama.289.19.2509

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Ylinen, 2006, Effects of twelve-month strength training subsequent to twelve-month stretching exercise in treatment of chronic neck pain, J Strength Cond Res, 20, 304

Kietrys, 2007, Effects of at-work exercises on computer operators, Work, 28, 67

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Dundar, 2007, The effect of gallium arsenide aluminum laser therapy in the management of cervical myofascial pain syndrome: a double blind, placebo-controlled study, Clin Rheumatol, 26, 930, 10.1007/s10067-006-0438-4

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Vernon, 2006, The outcome of control groups in clinical trials of conservative treatments for chronic mechanical neck pain: a systematic review, BMC Musculoskelet Disord, 7, 58, 10.1186/1471-2474-7-58