In 1864, the first barbiturate (barbituric acid) was synthesized.
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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.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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The FDA recognizes 118 routes of administration.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Urinary system.
Circulatory System
Active fuel management includes many different components and changes to the oiling system, which ...
Sagittal section of the female pelvis, showing organs of the reproductive system.