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Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.