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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.