Future prospects for echo-enhancing agents.
Fritzsch
T
T
Research and Development, Schering AG, Berlin, Germany.
Schlief
R
R
D000162:Acoustics; D003287:Contrast Media; D005544:Forecasting; D005740:Gases; D006801:Humans; D007089:Image Enhancement; D011312:Pressure; D018615:Ultrasonography, Doppler, Color / Q000379:methods / Q000639:trends
D003287:Contrast Media; D005740:Gases