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  1. You’re offline. This is a read only version of the page. NLM Support Center Most popular articles How do I obtain the full text of an article? How do I cite ...
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  3. Skip to main content Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use ...
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  5. 8893 ... medlineplus.gov ... Move the marker to the bottom of the numbered scale. Stand up straight. Take a deep breath. Fill your lungs all the way. Hold your ...
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