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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?
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Did you know?
Medication errors are three times higher among children and infants than with adults.