Authors: Kim Nylund; Giovanni Maconi; Alois Hollerweger; Tomas Ripolles; Nadia Pallotta; Antony Higginson; Carla Serra; Christoph F Dietrich; Ioan Sporea; Adrian Saftoiu; Klaus Dirks; Trygve Hausken; Emma Calabrese; Laura Romanini; Christian Maaser; Dieter Nuernberg; Odd Helge Gilja Journal: Ultraschall Med Date: 2016-09-07 Impact factor: 6.548
Authors: Tim O Vilz; Burkhard Stoffels; Christian Strassburg; Hans H Schild; Jörg C Kalff Journal: Dtsch Arztebl Int Date: 2017-07-24 Impact factor: 5.594