Post-infective and chronic fatigue syndromes precipitated by viral and non-viral pathogens: prospective cohort study.
BMJ. 2006 Sep 16;333(7568):575. doi: 10.1136/bmj.38933.585764.AE. Epub 2006 Sep 1.
BMJ. 2006.
PMID: 16950834
Free PMC article.