Can we rely on out-of-hospital blood samples? a prospective interventional study on the pre-analytical stability of blood samples under prehospital emergency medicine conditions - Prottengeier, Johannes; Jess, Nicola; Harig, Frank; Gall, Christine; Schmidt, Joachim; Birkholz, Torsten (Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2017)