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Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.