title: Blood-borne pathogens in sports.
authors.forename: J
authors.initials: J
authors.lastname: Karjalainen
authors.forename: G
authors.initials: G
authors.lastname: Friman
mesh_terms: D004196:Disease Outbreaks; D006509:Hepatitis B / Q000453:epidemiology / Q000635:transmission*; D006801:Humans; D013177:Sports; D013548:Sweden / Q000453:epidemiology