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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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Feedforward events can be conditioned to external stimuli.