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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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.
For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.