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After much anticipation, Charlotte the Stingray is not pregnant
All Things Considered, 2024
National Public Radio, Inc. (NPR)
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Fosterljudsdetektor for kontroll av draktighet hos svin
Swensson, T
Svensk veterinartidning, 1978, Vol.30 (21), p.781-783
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Ultrasonics: methods and applications
Blitz, Jack
New York: Van Nostrand Reinhold Co 1971
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Study of molecular processes of organic compounds containing atomic groupings, similar to those present in wool, by measurements of ultrasonic absorption in the liquid state at frequences below 1 Mcs: Final technical report
Verma, G. S
Allahabad: India, University of Allahabad 1968
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How Highly Focused Sound Waves Steadied A Farmer's Trembling Hand
Morning Edition, 2018
National Public Radio, Inc. (NPR)
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Tiger beetles might be mimicking the sounds of poisonous bugs so bats will avoid them
All Things Considered, 2024
National Public Radio, Inc. (NPR)
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Ultrasound: Giant Panda At Smithsonian National Zoo Is Pregnant
Morning Edition, 2020
National Public Radio, Inc. (NPR)
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Scientists Experiment With 'Headprints'
Morning Edition, 2016
National Public Radio, Inc. (NPR)
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PBS NewsHour for June 27, 2022
PBS Newshour, 2022
CQ-Roll Call, Inc
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Moving objects with ultrasound beams-potential application to urinary stone disease
Ghanem, M.A ; Maxwell, A.D ; Wang, Y.-N ; Bailey, M.R
National Institute of Diabetes & Digestive & Kidney Diseases Pamphlets, 2020
National Institute of Diabetes and Digestive and Kidney Diseases
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