Johns Hopkins Medicine
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https://www.hopkinsmedicine.org/ 06-02-2009 21:11:56
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"When the diaphragm pulls down suddenly between breaths, that causes the sucking in of air and the glottis, the space between the vocal cords, suddenly closes to prevent more air from coming in, which produces a sound," said Dr. EktaGuptaMD. on.today.com/3XjVSxH