When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.
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The FDA recognizes 118 routes of administration.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.