Fig. 1
From: Evaluation of viral infection as an etiology of ME/CFS: a systematic review and meta-analysis

Flow chart of study selection. n: Number of study, ME/CFS: Myalgic encephalomyelitis/Chronic fatigue syndrome
From: Evaluation of viral infection as an etiology of ME/CFS: a systematic review and meta-analysis
Flow chart of study selection. n: Number of study, ME/CFS: Myalgic encephalomyelitis/Chronic fatigue syndrome