MOTHERHOOD
Manuel Casanova, MD
Introduction The term ultrasound refers to oscillating sound waves that travel through a medium, either gaseous, liquid, or solid, at a very high frequency. Sound waves in physics are also known as compression waves because they produce alternating compression and rarefaction (a push and pull effect) when traveling through a medium. Audible sound usually travels […]...
January 27, 2014 11:02AM FACEBOOK / TWEET / EMAIL
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