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Author Question: The process of modifying a high frequency carrier by a low frequency signal is called (Read 210 times) |
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Approximately 25% of all reported medication errors result from some kind of name confusion.