title: Lone atrial fibrillation in vigorously exercising middle aged men: case-control study.
authors.affiliation: Central Military Hospital, Box 50, 00301 Helsinki, Finland. jouko.karjalainen@pp.inet.fi
authors.forename: J
authors.initials: J
authors.lastname: Karjalainen
authors.forename: U M
authors.initials: UM
authors.lastname: Kujala
authors.forename: J
authors.initials: J
authors.lastname: Kaprio
authors.forename: S
authors.initials: S
authors.lastname: Sarna
authors.forename: M
authors.initials: M
authors.lastname: Viitasalo
mesh_terms: D000328:Adult; D000367:Age Factors; D001281:Atrial Fibrillation / Q000453:epidemiology / Q000209:etiology*; D016022:Case-Control Studies; D015444:Exercise / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012420:Running / Q000502:physiology*