TY - GEN AU - Greenleaf,J F TI - Ultrasound: physics and instrumentation SN - 1076-6332 PY - 1998///0122 KW - Contrast Media KW - Physical Phenomena KW - Physics KW - Research KW - Transducers KW - Ultrasonography KW - instrumentation N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s1076-6332(12)80047-x ER -