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In 1864, the first barbiturate (barbituric acid) was synthesized.

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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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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.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

The direction of plant cell expansion is controlled by microfibrils and microtubules. Plant cells en The direction of plant cell expansion is controlled by microfibrils and microtubules. Plant cells en
Client on IV patient-controlled analgesia (PCA). Client on IV patient-controlled analgesia (PCA).
Marjane Satrapi, page from the "Kim Wilde" chapter of the graphic novel Persepolis. Marjane Satrapi, page from the "Kim Wilde" chapter of the graphic novel Persepolis.
When the engine is cold, the coolant flows through the bypass. When the engine is cold, the coolant flows through the bypass.
Air flows through the PCV valve during idle, cruising, and light-load conditions. Air flows through the PCV valve during idle, cruising, and light-load conditions.
Gyres and the Geostrophic Flows Gyres and the Geostrophic Flows
Video: Replication of DNA and Chromosomes/ How do cells replicate their DNA? (Animation) no Audio

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