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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
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The horizontal fraction bar was introduced by the Arabs.
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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.