Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
Did you know?
The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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The horizontal fraction bar was introduced by the Arabs.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
Muscular system
Phlebotomist using a needle to withdraw blood.
Blood transfusion.
One-dimensional NMR spectrum of a globin from a marine blood worm
Location of fetal heart tones for various fetal positions