title: Sudden unexpected death on challenge courses.
authors.affiliation: Department of Pediatrics, State University of New York, Upstate Medical University, Syracuse 13210, USA. welcht@upstate.edu
authors.forename: Thomas R
authors.initials: TR
authors.lastname: Welch
authors.forename: Robert
authors.initials: R
authors.lastname: Ryan
mesh_terms: D000058:Accidental Falls / Q000401:mortality*; D000328:Adult; D001265:Athletic Injuries / Q000401:mortality*; D016757:Death, Sudden, Cardiac / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012042:Registries; D012189:Retrospective Studies; D018570:Risk Assessment