ultrasonic
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First case of ultrasonic 'distress call' by Brazilian frog species documented in new study
First case of ultrasonic 'distress call' by Brazilian frog species documented in new study

Ultrasound patch to measure how full bladder is: Research
The researchers have developed a patch-like wearable ultrasound monitor that can inspect the internal organs of the body.

Stamp-sized ultrasound stickers for high resolution images of organs: Report
Ultrasound technique is a widely used technique in healthcare to monitor our internal organs. Unlike X-Ray photography or CT scan, this non-invasive procedure is not harmful.
