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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

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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.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Critical thinking model for safety evaluation Critical thinking model for safety evaluation
William Morris, Page from a specimen book with sample proof letters, Kelmscott Press. William Morris, Page from a specimen book with sample proof letters, Kelmscott Press.
Induced-fit model of enzyme activity. Induced-fit model of enzyme activity.
A model for voltage-gating in the channel A model for voltage-gating in the channel
The obese (ob) mouse mutant, shown on the left (a normal mouse is on the right), has provided many c The obese (ob) mouse mutant, shown on the left (a normal mouse is on the right), has provided many c
The attenuation model regulating the tryptophan operon The attenuation model regulating the tryptophan operon
Video: Hormonal feedback loop components & Glucagon (glycogenolysis and gluconeogenesis)

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