References
- Rana AQ, Qureshi AR, Rahman L, et al. Association of restless legs syndrome, pain and mood disorders in Parkinson's disease. Int J Neurosci 2014;3:1–13.
- Quittenbaum BH, Grahn, B. Quality of life and pain in Parkinson's disease: a controlled cross-sectional study. Parkinsonism Relat Disord 2004;10:129–136.
- Angelelli P, Paolucci S, Bivona U, et al. Development of neuropsychiatric symptoms in poststroke patients: a cross-sectional study. Acta Psychiatr Scand 2004;110:55–63.
- de Chazeron I, Llorca P, Chereau-Boudet I, et al. Hypersexuality and pathological gambling in Parkinson's disease: a cross-sectional case-control study. Mov Disord 2011;26:2127–2130.
- Ecker D, Unrath A, Kassubek J, Sabolek M. Dopamine Agonists and their risk to induce psychotic episodes in Parkinson's disease: a case-control study. BMC Neurol 2009;9:23.
- Rana AQ, Siddiqui I, Mosabbir A, et al. Association of pain, Parkinson's disease, and restless legs syndrome. J Neurol Sci 2013;327:32–34.
- Mayo E, Goldberg S. When is a case-control study not a case-control study? J Rehabil Med 2009;8:209–216.
- Biescheuvel CJ, Vergouwe Y, Oudega R, et al. Advantages of the nested case-control design in diagnostic research. BMC Med Res Methodol 2008;8:48.
- Suzuki S, Suzuki K, Miyamoto M, et al. Evaluation of contributing factors to restless legs syndrome in migraine patients. J Neurol 2011;11:2026–2035.
- Ibrahim K. Important considerations for case-control study conduct and reporting. Int J Neurosci 2015;1–6. doi:10.3109/00207454.2015.1052430
- Flanders WD, Boyle CA, Boring JR. Bias associated with differential hospitalization rates in incident case-control studies. J Clin Epidemiol 1989;42:395–401.