News segment on the first cases performed by Dr. Wolfgang Stelzer at SchmerzLOS medical center, Linz, Austria

https://video.wixstatic.com/video/fa15c6_1869acb32430444ba6dd29c1484b5392/1080p/mp4/file.mp4

Link: https://on.orf.at/video/14312330/16042060/linzer-arzt-operiert-mit-ultraschall