title: Post-exertional malaise in chronic fatigue syndrome.
authors.affiliation: ME-de-patiënten Foundation, Zonnedauw, Limmen, 1906HB, Netherlands. Electronic address: frank.twisk@hetnet.nl.
authors.forename: Frank
authors.initials: F
authors.lastname: Twisk
mesh_terms: D015673:Fatigue Syndrome, Chronic; D006801:Humans