| http://www.w3.org/ns/prov#value | - Surprisingly, it has now been found that certain types of microparticles administered to a patient provide effective signal contrast and signal intensity of portions of the patient in which the microparticles are situated when imaged with ultrasonic radiation in the color Doppler mode despite the essential lack of motion of these microparticles in these patient sites, e.g., organs and other tissue
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