AUGMENTATION OF THE AUDIBILITY OF FETAL HEART SOUNDS BY FREQUENCY MULTIPLICATION.
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Equipment and Supplies↗
Biomedical subjects
Y T SIHVONEN
Publications and source records attributed to Y T SIHVONEN.
CAPACITANCE PICKUPS FOR CARDIOVASCULAR SOUNDS.
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Cardiovascular System↗
The normal systolic murmur.
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Heart Sounds↗
A high sensitivity pickup for cardiovascular sounds.
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Cardiovascular System↗
THE PROXIMITY TRANSDUCER.
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Cardiac Surgical Procedures↗