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Author Question: Scholars have not been able to understand Meroitic script because it a. is not a phonetic ... (Read 177 times) |
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
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.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.