TY - GEN AU - Reinhardt,M AU - Fritzsch,T TI - [Contrast media in ultrasonography. Characteristics and applications: current status and prospects] SN - 0033-8362 PY - 1998///0824 KW - Contrast Media KW - Humans KW - Physical Phenomena KW - Physics KW - Polysaccharides KW - Ultrasonography N1 - Publication Type: Journal Article ER -