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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.