title: Natural history of disease and placebo effect.
authors.affiliation: Department of Neurology, University of Iowa Hospitals and Clinics, Iowa City 52242.
authors.forename: P
authors.initials: P
authors.lastname: Kelkar
authors.forename: M A
authors.initials: MA
authors.lastname: Ross
mesh_terms: D004194:Disease; D006801:Humans; D015990:Placebo Effect