Loy, B.D., O’Connor, P.J. and Dishman, R.K. (2016) Effect of Acute Exercise on Fatigue in People with ME/CFS/SEID: A Meta-Analysis. Medicine & Science in Sports & Exercise, 48, 2003-2012.
 Morris, G. and Maes, M. (2013) Myalgic Encephalomyelitis/Chronic Fatigue Syndrome and Encephalomyelitis Disseminata/Multiple Sclerosis Show Remarkable Levels of Similarity in Phenomenology and Neuroimmune Characteristics. BMC Medicine, 11, 205.
 Fukuda, K., et al. (1994) The Chronic Fatigue Syndrome: A Comprehensive Approach to Its Definition and Study. International Chronic Fatigue Syndrome Study Group. Annals of Internal Medicine, 121, 953-959.
 De Lorenzo, F., Hargreaves, J. and Kakkar, V.V. (1997) Pathogenesis and Management of Delayed Orthostatic Hypotension in Patients with Chronic Fatigue Syndrome. Clinical Autonomic Research, 7, 185-190.
 Roerink, M.E., et al. (2017) Postural Orthostatic Tachycardia Is Not a Useful Diagnostic marker for Chronic Fatigue Syndrome. Journal of Internal Medicine, 281, 179-188.
 Miwa, K. (2016) Variability of Postural Orthostatic Tachycardia in Patients with Myalgic Encephalomyelitis and Orthostatic Intolerance. Heart Vessels, 31, 1522-1528.
 Razumovsky, A.Y., et al. (2003) Cerebral and Systemic Hemodynamics Changes during Upright Tilt in Chronic Fatigue Syndrome. Journal of Neuroimaging, 13, 57-67.
 Lewis, I., et al. (2013) Clinical Characteristics of a Novel Subgroup of Chronic Fatigue Syndrome Patients with Postural Orthostatic Tachycardia Syndrome. Journal of Internal Medicine, 273, 501-510.
 Reynolds, G.K., et al. (2014) Comorbidity of Postural Orthostatic Tachycardia Syndrome and Chronic Fatigue Syndrome in an Australian Cohort. Journal of Internal Medicine, 275, 409-417.
 Blockmans, D., et al. (2003) Combination Therapy with Hydrocortisone and Fludrocortisone Does Not Improve Symptoms in Chronic Fatigue Syndrome: A Randomized, Placebo-Controlled, Double-Blind, Crossover Study. American Journal of Medicine, 114, 736-741.
 Peterson, P.K., et al. (1998) A Preliminary Placebo-Controlled Crossover Trial of Fludrocortisone for Chronic Fatigue Syndrome. Archives of Internal Medicine, 158, 908-914.
 Rowe, P.C., et al. (2001) Fludrocortisone Acetate to Treat Neurally Mediated Hypotension in Chronic Fatigue Syndrome: A Randomized Controlled Trial. JAMA, 285, 52-59.
 Kawamura, Y., et al. (2003) Efficacy of a Half Dose of Oral Pyridostigmine in the Treatment of Chronic Fatigue Syndrome: Three Case Reports. Pathophysiology, 9, 189-194.
 Miwa, K. (2017) Down-Regulation of Renin-Aldosterone and Antidiuretic Hormone Systems in Patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome. Journal of Cardiology, 69, 684-688.
 McDonald, C., et al. (2014) Postural Tachycardia Syndrome Is Associated with Significant Symptoms and Functional Impairment Predominantly Affecting Young Women: A UK Perspective. BMJ Open, 4, e004127.
 Shen, W.K., et al. (2017) 2017 ACC/AHA/HRS Guideline for the Evaluation and Management of Patients with Syncope: Executive Summary: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines and the Heart Rhythm Society. Journal of the American College of Cardiology, 70, 620-663.
 Podoleanu, C., et al. (2006) Lower Limb and Abdominal Compression Bandages Prevent Progressive Orthostatic Hypotension in Elderly Persons: A Randomized Single-Blind Controlled Study. Journal of the American College of Cardiology, 48, 1425-1432.
 Rabe, E., et al. (2018) Indications for Medical Compression Stockings in Venous and Lymphatic Disorders: An Evidence-Based Consensus Statement. Phlebology, 33, 163-184.
 Murdock, K.W., et al. (2017) The Utility of Patient-Reported Outcome Measures among Patients with Myalgic Encephalomyelitis/Chronic Fatigue Syndrome. Quality of Life Research, 26, 913-921.
 Haywood, K.L., Staniszewska, S. and Chapman, S. (2012) Quality and Acceptability of Patient-Reported Outcome Measures Used in Chronic Fatigue Syndrome/Myalgic Encephalomyelitis (CFS/ME): A Systematic Review. Quality of Life Research, 21, 35-52.
 Motykie, G.D., et al. (1999) Evaluation of Therapeutic Compression Stockings in the Treatment of Chronic Venous Insufficiency. Dermatologic Surgery, 25, 116-120.
 Agu, O., Baker, D. and Seifalian, A.M. (2004) Effect of Graduated Compression Stockings on Limb Oxygenation and Venous Function during Exercise in Patients with Venous Insufficiency. Vascular, 12, 69-76.
 Beidler, S.K., et al. (2009) Inflammatory Cytokine Levels in Chronic Venous Insufficiency Ulcer Tissue before and after Compression Therapy. Journal of Vascular Surgery, 49, 1013-1020.
 Okamoto, T., et al. (2013) Acute Effect of Brisk Walking with Graduated Compression Stockings on Vascular Endothelial Function and Oxidative Stress. Clinical Physiology and Functional Imaging, 33, 455-462.
 Streeten, D.H., Thomas, D. and Bell, D.S. (2000) The Roles of Orthostatic Hypotension, Orthostatic Tachycardia, and Subnormal Erythrocyte Volume in the Pathogenesis of the Chronic Fatigue Syndrome. The American Journal of the Medical Sciences, 320, 1-8.