The Use of Handheld Ultrasound Devices – An EFSUMB Position Paper - Nielsen, Michael Bachmann; Cantisani, Vito; Sidhu, Paul S.; Badea, Radu; Batko, Tomasz; Carlsen, Jonathan; Claudon, Michel; Ewertsen, Caroline; Garre, Carmen; Genov, Jordan; Gilja, Odd Helge; Havre, Roald; Kosiak, Mateusz; Kosiak, Wojciek; Pilcher, James; Prosch, Helmut; Radzina, Maija; Rafailidis, Vasileios; Rykkje, Alexander; Serra, Andreas; Sotiriadis, Alexandros; Østergaard, Mia; Dietrich, Christoph F. (Ultraschall in der Medizin - European Journal of Ultrasound, 2019)