ARFI shear-wave elastography with simulation of acute urinary tract obstruction in an ex vivo porcine kidney model oleh Jens Muttray, Arianeb Mehrabi, Mohammadreza Hafezi, Arash Saffari, Thi Thanh Tam Bui-Ta, Jochen Meyburg, Elke Wühl, Jens Peter Schenk