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The horizontal fraction bar was introduced by the Arabs.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
![The postoperative client supports an incision with a folded pillow when taking a deep breath and cou](https://biology-forums.com/gallery/47/medium_18099_26_09_12_4_42_16.jpeg)
![A client is having an endoscopy performed by a physician who views the upper gastrointestinal intern](https://biology-forums.com/gallery/47/medium_18099_24_10_12_4_35_00.jpeg)