Ingvild Beathe Myrhaugen Tjelmeland,
Kristin Alm-Kruse,
Lars-Jøran Andersson,
Ståle Bratland,
Arne Ketil Hafstad,
Bjørn Haug
et al.:
Cardiac arrest as a reportable condition: A cohort study of the first 6 years of the Norwegian out-of-hospital cardiac arrest registry