title: Relative risk of sudden cardiac death during marathon running.
authors.forename: A J
authors.initials: AJ
authors.lastname: Siegel
mesh_terms: D016757:Death, Sudden, Cardiac / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D012420:Running