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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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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The average adult has about 21 square feet of skin.
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Illicit drug use costs the United States approximately $181 billion every year.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
Indian spitz
Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ...
Performing Venipuncture Using the Vacutainer Method
Performing Venipuncture Using the Vacutainer Method