Jason LA, Taylor RR, Kennedy CL, Song S, Johnson D, Torres S (September 2000). "Chronic fatigue syndrome: occupation, medical utilization, and subtypes in a community-based sample". J. Nerv. Ment. Dis. 188 (9): 568–76. doi:10.1097/00005053-200009000-00002. PMID11009329.
Fukuda K, Straus S, Hickie I, Sharpe M, Dobbins J, Komaroff A (15 December 1994). "The chronic fatigue syndrome: a comprehensive approach to its definition and study. International Chronic Fatigue Syndrome Study Group". Ann Intern Med. 121 (12): 953–59. doi:10.7326/0003-4819-121-12-199412150-00009. PMID7978722. S2CID510735.
Kennedy G, Abbot NC, Spence V, Underwood C, Belch JJ (February 2004). "The specificity of the CDC-1994 criteria for chronic fatigue syndrome: comparison of health status in three groups of patients who fulfill the criteria". Ann Epidemiol. 14 (2): 95–100. doi:10.1016/j.annepidem.2003.10.004. PMID15018881.
Komaroff AL; Fagioli LR; Geiger AM; et al. (January 1996). "An examination of the working case definition of chronic fatigue syndrome". Am. J. Med. 100 (1): 56–64. doi:10.1016/S0002-9343(96)90012-1. PMID8579088.
Jason LA, Taylor RR, Kennedy CL, Song S, Johnson D, Torres S (September 2000). "Chronic fatigue syndrome: occupation, medical utilization, and subtypes in a community-based sample". J. Nerv. Ment. Dis. 188 (9): 568–76. doi:10.1097/00005053-200009000-00002. PMID11009329.
Fukuda K, Straus S, Hickie I, Sharpe M, Dobbins J, Komaroff A (15 December 1994). "The chronic fatigue syndrome: a comprehensive approach to its definition and study. International Chronic Fatigue Syndrome Study Group". Ann Intern Med. 121 (12): 953–59. doi:10.7326/0003-4819-121-12-199412150-00009. PMID7978722. S2CID510735.
Kennedy G, Abbot NC, Spence V, Underwood C, Belch JJ (February 2004). "The specificity of the CDC-1994 criteria for chronic fatigue syndrome: comparison of health status in three groups of patients who fulfill the criteria". Ann Epidemiol. 14 (2): 95–100. doi:10.1016/j.annepidem.2003.10.004. PMID15018881.
Komaroff AL; Fagioli LR; Geiger AM; et al. (January 1996). "An examination of the working case definition of chronic fatigue syndrome". Am. J. Med. 100 (1): 56–64. doi:10.1016/S0002-9343(96)90012-1. PMID8579088.
Fukuda K, Straus S, Hickie I, Sharpe M, Dobbins J, Komaroff A (15 December 1994). "The chronic fatigue syndrome: a comprehensive approach to its definition and study. International Chronic Fatigue Syndrome Study Group". Ann Intern Med. 121 (12): 953–59. doi:10.7326/0003-4819-121-12-199412150-00009. PMID7978722. S2CID510735.