title: On the track of an elusive disease.
authors.forename: J
authors.initials: J
authors.lastname: Palca
mesh_terms: D002487:Centers for Disease Control and Prevention, U.S.; D015673:Fatigue Syndrome, Chronic / Q000191:economics / Q000209:etiology; D006801:Humans; D009316:National Institutes of Health (U.S.); D012109:Research Support as Topic; D012190:Retroviridae / Q000302:isolation & purification; D014481:United States