Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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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).
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On average, the stomach produces 2 L of hydrochloric acid per day.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
Elements of an Experiment
The Periodic Table of Elements.
Periodic Table of the Elements
The elements of chromatin structure
Common sequence features in integrated retroviruses and other eukaryotic transposable elements