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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Medication errors are three times higher among children and infants than with adults.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
The horizontal fraction bar was introduced by the Arabs.
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