Ultrasonic catheters give cardiologists boost in observing internal blood vessels.
Goldsmith
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MF
D001808:Blood Vessels / Q000000981:diagnostic imaging*; D002404:Catheterization / Q000295:instrumentation*; D003327:Coronary Disease / Q000000981:diagnostic imaging; D006801:Humans; D014463:Ultrasonography / Q000295:instrumentation*