Lone atrial fibrillation in vigorously exercising middle aged men: case-control study.
Karjalainen
J
J
Central Military Hospital, Box 50, 00301 Helsinki, Finland. jouko.karjalainen@pp.inet.fi
Kujala
U M
UM
Kaprio
J
J
Sarna
S
S
Viitasalo
M
M
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*