After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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The average office desk has 400 times more bacteria on it than a toilet.
Genetic changes that convert proto-oncogenes to oncogenes
Jets Created by a Black Hole in a Binary System
How to convert between imperial and metric units (Part 3)
How to convert fractions to decimals to percent
How to convert percent to decimals to fractions
Binary fission, the reproductive mode of bacteria and archaea