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Did you know?
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.