Incidence and challenges of helicopter emergency medical service (HEMS) rescue missions with helicopter hoist operations: analysis of 11,228 daytime and nighttime missions in Switzerland

Pietsch U, Becker S, Wenzel V, Rauch S, Sollid S, Tissi M, Lischke V, Meuli L, Mann M, Knapp J, Albrecht R. Incidence and challenges of helicopter emergency medical service (HEMS) rescue missions with helicopter hoist operations: analysis of 11,228 daytime and nighttime missions in Switzerland. Scand J Trauma Resusc Emerg Med 2021; 29:92.