title: Health state descriptions. Purposes, issues, a proposal.
authors.affiliation: Clinical Epidemiology Unit, Sunnybrook Health Sciences Centre, North York, Ontario, Canada.
authors.forename: H A
authors.initials: HA
authors.lastname: Llewellyn-Thomas
mesh_terms: D017408:Guidelines as Topic; D006304:Health Status; D006801:Humans; D012106:Research / Q000592:standards*