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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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.