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Knapp, Jürgen; Häske, David; Böttiger, Bernd W; Limacher, Andreas; Stalder, Odile; Schmid, Annina; Schulz, Stephanie; Bernhard, Michael (2019). Influence of prehospital physician presence on survival after severe trauma: Systematic review and meta-analysis. Journal of Trauma and Acute Care Surgery, 87(4), pp. 978-989. Wolters Kluwer, Lippincott Williams & Wilkins 10.1097/TA.0000000000002444
