An old study but, as shown in this thread, https://s4me.info/threads/top-10-sc...f-citations-tweet-by-dr-mark-gutheridge.7461/, one of the most cited ME/CFS papers in the past 10 years, so thought it might be useful to have here. Paywalled at https://www.sciencedirect.com/science/article/abs/pii/S1568997208001808?via=ihub
Thank you @Andy. We keep circling around; some decades old research is finally being re-examined, and verified. Some, or many of those earlier findings are still valid. Here is a 1990 immune system abnormalities study by Dr. Nancy Klimas et al: Immunologic abnormalities in chronic fatigue syndrome https://www.ncbi.nlm.nih.gov/pubmed/2166084