Øyan, Mats Jørgen and Plettemeier, Dirk and Dypvik, Henning and Berger, Tor and Eide, Sigurd and Hanssen, Leif and Brovoll, Sverre > Ekkokardiografi or Radar or TermsetEmneord::Radar or TermsetEmneord::Frekvensmodulering or Mars or RIMFAX