title: An epidemiological pitfall using mortality as a long-term outcome measure in therapeutic studies comparing "age-matched" groups.
authors.affiliation: The Department of Neurology, Medicine, and Community Medicine, West Virginia University School of Medicine, Morgantown 26506, USA.
authors.forename: J E
authors.initials: JE
authors.lastname: Riggs
mesh_terms: D000367:Age Factors; D006801:Humans; D016555:Matched-Pair Analysis; D009026:Mortality