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| ultrasonography (a technique in which high-frequency sound waves are bounced off internal organs and the echo pattern is converted into a 2 dimensional picture of the structures beneath the transducer) | |||
| ultrasonography | |||
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| ultrasonography (a technique in which high-frequency sound waves are bounced off internal organs and the echo pattern is converted into a 2 dimensional picture of the structures beneath the transducer) | |||
| ultrasonography | |||