Method of ultrasonic imaging of the gastrointestinal tract and upper abdominal organs using an orally administered negative contrast medium
作者： Leslie D. Anderson , Diane M. Szaflarski , Janeth M. Bartlett , Kenneth J. Widder
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摘要: A method for enhanced ultrasonic imaging of the tissues defining gastrointestinal tract and upper abdominal organs wherein is filled with a chemically defined essentially sonolucent ultrasound contrast agent that stable under gastric conditions has emptying time at least about twenty minutes, thus causing lumen to appear dark relative positive image walls organs.
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