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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.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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The horizontal fraction bar was introduced by the Arabs.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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By definition, when a medication is administered intravenously, its bioavailability is 100%.

The process of plant tissue culture. The process of plant tissue culture.
An implantable cardiovert-defibrillator: A dual-chamber ICD device with a pulse generator is implant An implantable cardiovert-defibrillator: A dual-chamber ICD device with a pulse generator is implant
Hemodialysis. The process of hemodialysis replaces the kidney function of blood filtration by forcin Hemodialysis. The process of hemodialysis replaces the kidney function of blood filtration by forcin
Five step nursing process Five step nursing process
The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ... The steps in the hearing process. (1) Sound waves enter the outer ear and travel through the ear ...
The General Process of Sensation The General Process of Sensation
Video: Gastroesophageal Reflux Disease (GERD)

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